# Cannot connect - form give connection error

**URL:** <https://forum.mautic.org/t/cannot-connect-form-give-connection-error/14400>\
**Category:** Product Support\
**Created:** [May 19, 2020, 12:59pm UTC](https://forum.mautic.org/t/cannot-connect-form-give-connection-error/14400 "2020-05-19T12:59:50Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![69thelememt](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/69thelememt/32/2368_2.png) [@69thelememt](https://forum.mautic.org/u/69thelememt)\
**Post date:** [May 19, 2020, 12:59pm UTC](https://forum.mautic.org/t/cannot-connect-form-give-connection-error/14400/1 "2020-05-19T12:59:50Z")

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What is the most common fix for connection errors please??

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**Author:** ![romancretnik](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/romancretnik/32/12427_2.png) [@romancretnik](https://forum.mautic.org/u/romancretnik)\
**Post date:** [May 19, 2020, 1:14pm UTC](https://forum.mautic.org/t/cannot-connect-form-give-connection-error/14400/2 "2020-05-19T13:14:34Z")

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Hi, did you check the CORS settings under Configuration \> System settings?

> **[Screenshot-mautic.nlp-center.si-2020.05.19-15\_12\_56.png](https://nimbusweb.me/nimbus-screenshots/bd958693766c3ae1d8a4bcb9c5c818dd)**
>
> Nimbus Capture - Edit screenshots. Record screencasts - record video from your screen.

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<div class="post-metadata">

**Author:** ![69thelememt](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/69thelememt/32/2368_2.png) [@69thelememt](https://forum.mautic.org/u/69thelememt)\
**Post date:** [May 19, 2020, 1:29pm UTC](https://forum.mautic.org/t/cannot-connect-form-give-connection-error/14400/3 "2020-05-19T13:29:30Z")

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Yes id set this

 ![image](https://us1.discourse-cdn.com/flex020/uploads/mautic/original/2X/3/30445580778661dca8c603ac4f4071b72302fd11.png)