# Product Support **URL:** https://forum.mautic.org/c/support/8.md?page=29 [Latest](https://forum.mautic.org/latest.md) · [Categories](https://forum.mautic.org/categories.md) · [Tags](https://forum.mautic.org/tags.md) **Page:** 30 --- ## ["Undefined class constant" Error after upgrade](https://forum.mautic.org/t/undefined-class-constant-error-after-upgrade/33131)
**Author:** [@antonio-lazzari](https://forum.mautic.org/u/antonio-lazzari)\ **Replies:** 10\ **Last updated:** [September 6, 2024, 8:44am UTC](https://forum.mautic.org/t/undefined-class-constant-error-after-upgrade/33131 "2024-09-06T08:44:37Z")
I customer of mine try to upgrade form 4.x to 5.x through cli whitout asking a month ago. Now the sistem is unreachable and they haven’t backup. Do you think there is any chance of recovering it? This is the error in cl… --- ## [No Emails Sending after update to 5.1](https://forum.mautic.org/t/no-emails-sending-after-update-to-5-1/33386)
**Author:** [@alanmcrobs](https://forum.mautic.org/u/alanmcrobs)\ **Replies:** 4\ **Last updated:** [September 6, 2024, 7:21am UTC](https://forum.mautic.org/t/no-emails-sending-after-update-to-5-1/33386 "2024-09-06T07:21:51Z")
Your software My Mautic version is: 5.1.0 My PHP version is: 8.1.29 My Database type and version is: 10.11.6-MariaDB-0+deb12u1 Your problem My problem is: These errors are showing in the log: \[2024-09-04T06:05:41.… --- ## [How do I create an unsubscribe form in Mautic v5?](https://forum.mautic.org/t/how-do-i-create-an-unsubscribe-form-in-mautic-v5/33317)
**Author:** [@okagoogle](https://forum.mautic.org/u/okagoogle)\ **Replies:** 10\ **Last updated:** [September 5, 2024, 5:40am UTC](https://forum.mautic.org/t/how-do-i-create-an-unsubscribe-form-in-mautic-v5/33317 "2024-09-05T05:40:46Z")
Your software My Mautic version is: v5.1 My PHP version is: v8.2 My Database type and version is: MySQL v8 Your problem I want to create an unsubscribe form, but I don’t know how to do it. Can someone please tell me… --- ## [Twilio Error 30003](https://forum.mautic.org/t/twilio-error-30003/33334)
**Author:** [@dirk\_s](https://forum.mautic.org/u/dirk_s)\ **Replies:** 3\ **Last updated:** [September 4, 2024, 6:16pm UTC](https://forum.mautic.org/t/twilio-error-30003/33334 "2024-09-04T18:16:59Z")
Is anyone very experienced with the Twilio SMS Service? I keep getting Error 30003 for some receivers: Unreachable destination handset | Twilio Does it mean, Mautic sends to Twilio - Twilio gives it a try - but when th… --- ## [Image not saved in the builder?](https://forum.mautic.org/t/image-not-saved-in-the-builder/33372)
**Author:** [@zwf](https://forum.mautic.org/u/zwf)\ **Replies:** 1\ **Last updated:** [September 4, 2024, 12:04pm UTC](https://forum.mautic.org/t/image-not-saved-in-the-builder/33372 "2024-09-04T12:04:12Z")
Hi, I’m stil in Mautic v4.0.1 bu will migrate soon :slight\_smile: ( PHP Version 7.4.19, Database 10.5.15-MariaDB-log) I was wondering why images were never really stored or saved here ? I think it’s the point of this f… --- ## [Problem while installing mautic 5.1](https://forum.mautic.org/t/problem-while-installing-mautic-5-1/33355)
**Author:** [@albi](https://forum.mautic.org/u/albi)\ **Replies:** 5\ **Last updated:** [September 4, 2024, 11:42am UTC](https://forum.mautic.org/t/problem-while-installing-mautic-5-1/33355 "2024-09-04T11:42:46Z")
Your software My Mautic version is: 5.1.0 My PHP version is: 8.0.30 My Database type and version is: mysql Ver 8.0.39 Your problem My problem is: I am doing a fresh install of the mautic, I have gotten the zip fil… --- ## [How to update Mautic when using a reverse proxy in front?](https://forum.mautic.org/t/how-to-update-mautic-when-using-a-reverse-proxy-in-front/19923)
**Author:** [@imog](https://forum.mautic.org/u/imog)\ **Replies:** 6\ **Last updated:** [September 4, 2024, 9:53am UTC](https://forum.mautic.org/t/how-to-update-mautic-when-using-a-reverse-proxy-in-front/19923 "2024-09-04T09:53:23Z")
I’ve recently tried to update from Mautic 3.2.5 to 3.3.3. Before doing such things i always make a snapshot from the VM so i can easily rollback. When i start the update using the WebGUI is seem to run good until the ve… --- ## [Pipedrive Integration relying on retired endpoint - calls to start failing 12/13/2022](https://forum.mautic.org/t/pipedrive-integration-relying-on-retired-endpoint-calls-to-start-failing-12-13-2022/26285)
**Author:** [@steverobinson](https://forum.mautic.org/u/steverobinson)\ **Replies:** 17\ **Last updated:** [September 4, 2024, 8:42am UTC](https://forum.mautic.org/t/pipedrive-integration-relying-on-retired-endpoint-calls-to-start-failing-12-13-2022/26285 "2024-09-04T08:42:26Z")
Your software My Mautic version is: 4.4.4 Your problem My problem is: I got this notice from Pipedrive this week. After searching in the source code, it appears we are, in fact, still using the /persons/find/ api e… --- ## [Non deliverable emails](https://forum.mautic.org/t/non-deliverable-emails/33274)
**Author:** [@martinc](https://forum.mautic.org/u/martinc)\ **Replies:** 4\ **Last updated:** [September 3, 2024, 9:43am UTC](https://forum.mautic.org/t/non-deliverable-emails/33274 "2024-09-03T09:43:58Z")
Your software My Mautic version is:5 My PHP version is:8.1 My Database type and version is: Mysql 8.0 Mautic push in from header generated email address which is blocked by email provider. Is it anyway to setup stati… --- ## [How do I add an image file to the email body?](https://forum.mautic.org/t/how-do-i-add-an-image-file-to-the-email-body/33357)
**Author:** [@okagoogle](https://forum.mautic.org/u/okagoogle)\ **Replies:** 4\ **Last updated:** [September 3, 2024, 8:49am UTC](https://forum.mautic.org/t/how-do-i-add-an-image-file-to-the-email-body/33357 "2024-09-03T08:49:05Z")
Your software My Mautic version is: v5.1 My PHP version is: v8.2 My Database type and version is: MySQL v8.0 Your problem How do I add an image file to the email body? There is no option to add an image in the edito… --- ## [Move contacts who did not open emails to another campaign](https://forum.mautic.org/t/move-contacts-who-did-not-open-emails-to-another-campaign/33361)
**Author:** [@dsfsd](https://forum.mautic.org/u/dsfsd)\ **Replies:** 1\ **Last updated:** [September 3, 2024, 8:19am UTC](https://forum.mautic.org/t/move-contacts-who-did-not-open-emails-to-another-campaign/33361 "2024-09-03T08:19:43Z")
Your software My Mautic version is: 5.1.23 My PHP version is: PHP Version 8.0.30 My Database type and version is: My problem is: Steps I have tried to fix the problem: I created a campaign to capture leads and sell … --- ## [Not sending emails - adding various CSS to mails - sending email create 503 error](https://forum.mautic.org/t/not-sending-emails-adding-various-css-to-mails-sending-email-create-503-error/32651)
**Author:** [@cremigerhonig](https://forum.mautic.org/u/cremigerhonig)\ **Replies:** 13\ **Last updated:** [September 2, 2024, 9:53am UTC](https://forum.mautic.org/t/not-sending-emails-adding-various-css-to-mails-sending-email-create-503-error/32651 "2024-09-02T09:53:41Z")
Your software My Mautic version is: 5.1 My PHP version is: 8.1.29 My Database type and version is: 10.6.18-MariaDB Your problem My problem is: I created a custom mautic email theme that worked perfectly in Mautic… --- ## [Please help me verify the campaign I set up for the first time](https://forum.mautic.org/t/please-help-me-verify-the-campaign-i-set-up-for-the-first-time/33339)
**Author:** [@okagoogle](https://forum.mautic.org/u/okagoogle)\ **Replies:** 2\ **Last updated:** [September 1, 2024, 3:46am UTC](https://forum.mautic.org/t/please-help-me-verify-the-campaign-i-set-up-for-the-first-time/33339 "2024-09-01T03:46:09Z")
Your software My Mautic version is: v5.1 My PHP version is: v8.2 My Database type and version is: MySQL v8 Hello, I am a first time Mautic user, and I’ve set up a campaign that I believe is mostly correct. However, I… --- ## [Error sending email do Segment](https://forum.mautic.org/t/error-sending-email-do-segment/33268)
**Author:** [@williambugarin](https://forum.mautic.org/u/williambugarin)\ **Replies:** 2\ **Last updated:** [August 30, 2024, 12:08pm UTC](https://forum.mautic.org/t/error-sending-email-do-segment/33268 "2024-08-30T12:08:31Z")
My Mautic version is: 5.1.0 My PHP version is: PHP Version 8.1.2-1ubuntu2.18 My Database type and version is: MySql 5.7.38 I have a problem (500 Internal Server Error) when sending an email to a Segment because Mautic… --- ## [Best approach to install Mautic in a subfolder](https://forum.mautic.org/t/best-approach-to-install-mautic-in-a-subfolder/33322)
**Author:** [@pro-emailer](https://forum.mautic.org/u/pro-emailer)\ **Replies:** 2\ **Last updated:** [August 30, 2024, 11:23am UTC](https://forum.mautic.org/t/best-approach-to-install-mautic-in-a-subfolder/33322 "2024-08-30T11:23:59Z")
My Mautic version is: v4.4.12 Hi, I have successfully installed Mautic in a subfolder. The typical setup is to install it in the root domain, but for my case, I wanted to keep the root domain for the website and set u… --- ## [Can't Connect Sendgrid API to Mautic 5.0.3](https://forum.mautic.org/t/cant-connect-sendgrid-api-to-mautic-5-0-3/32570)
**Author:** [@imankitshah](https://forum.mautic.org/u/imankitshah)\ **Replies:** 2\ **Last updated:** [August 29, 2024, 1:19pm UTC](https://forum.mautic.org/t/cant-connect-sendgrid-api-to-mautic-5-0-3/32570 "2024-08-29T13:19:48Z")
Your software My Mautic version is: 5.0.3 My PHP version is: PHP Version 8.1.2 My Database type and version is: MySQL80 Your problem My problem is: I’m not able connect Sendgrid api with Mautic. These errors are sh… --- ## [My first serious try to install Mautic 5 - YELLOW and RED errors in composer create project 5 github command](https://forum.mautic.org/t/my-first-serious-try-to-install-mautic-5-yellow-and-red-errors-in-composer-create-project-5-github-command/32243)
**Author:** [@alexrm1x](https://forum.mautic.org/u/alexrm1x)\ **Replies:** 2\ **Last updated:** [August 29, 2024, 1:05pm UTC](https://forum.mautic.org/t/my-first-serious-try-to-install-mautic-5-yellow-and-red-errors-in-composer-create-project-5-github-command/32243 "2024-08-29T13:05:00Z")
Hello to all, Thanks for this great community. I’m in my first serious try to install Mautic 5 I’m familiar with the old Mautic 3 and 4 installs, I manage nearly 20 installs today in 4.x, hosting, domain, DNS, SSL cer… --- ## [Uh oh! I think I broke it. If I do it again, please report me to the system administrator! 99](https://forum.mautic.org/t/uh-oh-i-think-i-broke-it-if-i-do-it-again-please-report-me-to-the-system-administrator-99/33233)
**Author:** [@luckas](https://forum.mautic.org/u/luckas)\ **Replies:** 3\ **Last updated:** [August 28, 2024, 12:17am UTC](https://forum.mautic.org/t/uh-oh-i-think-i-broke-it-if-i-do-it-again-please-report-me-to-the-system-administrator-99/33233 "2024-08-28T00:17:07Z")
Your software Apache My Mautic version is: 5.1.0 My PHP version is: 8.2 My Database type and version is: MySQL 8.0.39 Your problem Uh oh! I think I broke it. If I do it again, please report me to the system administ… --- ## [Docker image does not start](https://forum.mautic.org/t/docker-image-does-not-start/33286)
**Author:** [@grinono](https://forum.mautic.org/u/grinono)\ **Replies:** 1\ **Last updated:** [August 27, 2024, 6:41pm UTC](https://forum.mautic.org/t/docker-image-does-not-start/33286 "2024-08-27T18:41:03Z")
Your software My Mautic version is docker: mautic/mautic:5.1-apache Your problem My problem is: That there are no usefull server logs about why mautic it’s not starting. AH00558: apache2: Could not reliably determin… --- ## [Pipedrive Plugin won't install](https://forum.mautic.org/t/pipedrive-plugin-wont-install/30649)
**Author:** [@advantising](https://forum.mautic.org/u/advantising)\ **Replies:** 10\ **Last updated:** [August 27, 2024, 12:04pm UTC](https://forum.mautic.org/t/pipedrive-plugin-wont-install/30649 "2024-08-27T12:04:47Z")
Your software My Mautic version is: 5.0.2 My PHP version is: 8.1 My Database type and version is: Your problem Hi Community! Has anybody had success with the new Pipedrive plugin for Mautic 5? I just installed Maut… --- ## [Personalized custom email header fields](https://forum.mautic.org/t/personalized-custom-email-header-fields/31298)
**Author:** [@gamingtips](https://forum.mautic.org/u/gamingtips)\ **Replies:** 5\ **Last updated:** [August 27, 2024, 7:49am UTC](https://forum.mautic.org/t/personalized-custom-email-header-fields/31298 "2024-08-27T07:49:12Z")
Your software My Mautic version is: 5.0.3 My PHP version is: 8.1 My Database type and version is 10.5.23-MariaDB-0+deb11u1 - Debian 11 Your problem My problem is: I want to add custom email header fields and perso… --- ## [API batch not complete](https://forum.mautic.org/t/api-batch-not-complete/33254)
**Author:** [@techbill](https://forum.mautic.org/u/techbill)\ **Replies:** 2\ **Last updated:** [August 26, 2024, 3:24pm UTC](https://forum.mautic.org/t/api-batch-not-complete/33254 "2024-08-26T15:24:10Z")
Your software My Mautic version is: 4.4.12 We created a python script to process all email published stats data and inject it into Google sheet weekly using API. When we first test the script, it would only process 27… --- ## [Issue when try to upgrade 5.0.3 to 5.1.0](https://forum.mautic.org/t/issue-when-try-to-upgrade-5-0-3-to-5-1-0/32877)
**Author:** [@dnxl](https://forum.mautic.org/u/dnxl)\ **Replies:** 2\ **Last updated:** [August 26, 2024, 1:43pm UTC](https://forum.mautic.org/t/issue-when-try-to-upgrade-5-0-3-to-5-1-0/32877 "2024-08-26T13:43:18Z")
Your software My Mautic version is: My PHP version is: 8.1.27 My Database type and version is: 10.11.7-MariaDB-1:10.11.7+maria~ubu2204 Your problem My problem is: I am trying to upgrade mautic (following the steps … --- ## [Preference center token translations? :)](https://forum.mautic.org/t/preference-center-token-translations/33202)
**Author:** [@markusvjh](https://forum.mautic.org/u/markusvjh)\ **Replies:** 2\ **Last updated:** [August 26, 2024, 11:41am UTC](https://forum.mautic.org/t/preference-center-token-translations/33202 "2024-08-26T11:41:19Z")
My Mautic version is: 5.04 My PHP version is: 8.1.28 My Database type and version is: 10.6.18-MariaDB-0ubuntu0.22.04.1 My problem is: I want contacts to see the preference center page in their own language when they … --- ## [Email not arrive Gmail, Hotmail etc](https://forum.mautic.org/t/email-not-arrive-gmail-hotmail-etc/33231)
**Author:** [@fernandaffc](https://forum.mautic.org/u/fernandaffc)\ **Replies:** 1\ **Last updated:** [August 26, 2024, 7:46am UTC](https://forum.mautic.org/t/email-not-arrive-gmail-hotmail-etc/33231 "2024-08-26T07:46:01Z")
My Mautic version is: 5.10 My PHP version is: PHP Version 8.1.28 My Database type and version is:5.7.23-23 Your problem I installed mautic and everything apparently works. But when trying to send emails, I only recei… --- ## [How to resent a mail from a newsletter to one contact](https://forum.mautic.org/t/how-to-resent-a-mail-from-a-newsletter-to-one-contact/33236)
**Author:** [@stefan-franz](https://forum.mautic.org/u/stefan-franz)\ **Replies:** 1\ **Last updated:** [August 25, 2024, 4:39pm UTC](https://forum.mautic.org/t/how-to-resent-a-mail-from-a-newsletter-to-one-contact/33236 "2024-08-25T16:39:21Z")
Your software My Mautic version is: 5.1 My PHP version is: 8.1.30 My Database type and version is: 10.6 How can i resend a newsletter to only one contact? --- ## [500 Internall Server on saving email](https://forum.mautic.org/t/500-internall-server-on-saving-email/24763)
**Author:** [@mikew](https://forum.mautic.org/u/mikew)\ **Replies:** 6\ **Last updated:** [August 25, 2024, 4:37pm UTC](https://forum.mautic.org/t/500-internall-server-on-saving-email/24763 "2024-08-25T16:37:50Z")
Your software My Mautic version is: 4.4.0 My PHP version is: 7.4 Your problem My problem is: When trying to save an email I keep getting the 500 Internal server error, however the email is actually saved These erro… --- ## [Lots of Anonymous Contacts appearing](https://forum.mautic.org/t/lots-of-anonymous-contacts-appearing/33100)
**Author:** [@rushagencia](https://forum.mautic.org/u/rushagencia)\ **Replies:** 14\ **Last updated:** [August 25, 2024, 12:36pm UTC](https://forum.mautic.org/t/lots-of-anonymous-contacts-appearing/33100 "2024-08-25T12:36:17Z")
Your software My Mautic version is: 5.1.0 My PHP version is: 8.1.29 My Database type and version is: MySQL 8.0.37 Your problem My recent and new installation of Mautic shows the existence of many anonymous contacts.… --- ## [Error fetching Do Not Sell MaxMind list](https://forum.mautic.org/t/error-fetching-do-not-sell-maxmind-list/33224)
**Author:** [@castellino](https://forum.mautic.org/u/castellino)\ **Replies:** 0\ **Last updated:** [August 23, 2024, 1:39pm UTC](https://forum.mautic.org/t/error-fetching-do-not-sell-maxmind-list/33224 "2024-08-23T13:39:06Z")
My Mautic version is: 5.1.0 My PHP version is: 8.2.22 My Database type and version is: MySQL Community Server 8.4.2 My problem is: when i try to donload “Do Not Sell” list the CLI command mautic:donotsell:download ret… --- ## [Understanding Delivery Feedback Notification (Amazon SES)](https://forum.mautic.org/t/understanding-delivery-feedback-notification-amazon-ses/33197)
**Author:** [@okagoogle](https://forum.mautic.org/u/okagoogle)\ **Replies:** 1\ **Last updated:** [August 23, 2024, 7:47am UTC](https://forum.mautic.org/t/understanding-delivery-feedback-notification-amazon-ses/33197 "2024-08-23T07:47:34Z")
Your software My Mautic version is: v5.1 My PHP version is: v8.2 My Database type and version is: MySQL 8.0 ================ I am setting up Amazon SES with Mautic v5.1 for my email marketing campaigns. Here are a f… [Previous page](https://forum.mautic.org/c/support/8.md?page=28) [Next page](https://forum.mautic.org/c/support/8.md?page=30)