# Email builder bugs : freeze-lags, have to refresh the page and loose modification

**URL:** <https://forum.mautic.org/t/email-builder-bugs-freeze-lags-have-to-refresh-the-page-and-loose-modification/19013>\
**Category:** Product Support\
**Created:** [April 14, 2021, 1:04pm UTC](https://forum.mautic.org/t/email-builder-bugs-freeze-lags-have-to-refresh-the-page-and-loose-modification/19013 "2021-04-14T13:04:07Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![zwf](https://avatars.discourse-cdn.com/v4/letter/z/f475e1/32.png) [@zwf](https://forum.mautic.org/u/zwf)\
**Post date:** [April 14, 2021, 1:04pm UTC](https://forum.mautic.org/t/email-builder-bugs-freeze-lags-have-to-refresh-the-page-and-loose-modification/19013/1 "2021-04-14T13:04:07Z")

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**Your software**  
My Mautic version is: mautic-v3 3.10.102 #15284 SMP  
My PHP version is: 7.2.14  
My Database type and version is: MariaDB : 10.5.6  
Phpmyadmin : 4.8.5  
Serveur web : nginx  
Number of contact in database : +50K

**My problem is** : the email builder can be heavy to handle

These errors are showing in the log: I don’t have precise logs because it actually happen a lot when I am using the email builder

1. When I update a template I have some issues : sometimes the modification isn’t in the history anymore so “CTR+Z” can’t bring me back to a previous vesion of my email. I cand only refresh my page. in this case, I loose my modification

2. Sometimes the email builder freeze, I can’t do any modification, I can just refresh my page and loose my modification.

3. Modification in the html directly are sometimes not saved even though I saved the html. Also, would it be possible to research in the HTML with “CTR+F” ? The fact of using a builder is to avoid going into the code too much but, especially with bugs it’s mandatory. Having the possiblity to research directly ine the code with CTR & F would be great and save some time 🙂

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**Author:** ![joeyk](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/joeyk/32/11164_2.png) [@joeyk](https://forum.mautic.org/u/joeyk)\
**Post date:** [April 14, 2021, 5:19pm UTC](https://forum.mautic.org/t/email-builder-bugs-freeze-lags-have-to-refresh-the-page-and-loose-modification/19013/2 "2021-04-14T17:19:53Z")

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Hi, Which email builder is this? Activated by Plugin (Gpapesjs) or the one that ships with Mautic ?

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**Author:** ![zwf](https://avatars.discourse-cdn.com/v4/letter/z/f475e1/32.png) [@zwf](https://forum.mautic.org/u/zwf)\
**Post date:** [April 15, 2021, 7:42am UTC](https://forum.mautic.org/t/email-builder-bugs-freeze-lags-have-to-refresh-the-page-and-loose-modification/19013/3 "2021-04-15T07:42:00Z")

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> [@joeyk](#):
>
> ctivated by Plugin (Gpapesjs)

Hello, Joeyk yes we use the GrapeJS !