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Hello,

Thank you for reaching out to us!

A possibility could be the fact that your “trp_*” tables have different collations.
Could you tell me what collation you have right now in your database?
Try to access it and see if you can change it to utf8mb4_general_ci. Here are some tips: https://mediatemple.net/community/products/dv/204403914/default-mysql-character-set-and-collation.

Are you hosted by WPEngine. If so, please add the following to your site’s wp-config.php:
define( 'WPE_GOVERNOR', false );

If not, probably this happen because of a speed optimization plugin. These plugins compress all JS files into one file, but this process can create errors when you load a page.
See if you have this type of plugins, disable them and try again to do the translation.

Please, see if your server has HTTP2 and GZIP. If it does, autooptimize doesn’t actually have a positive impact on your website speed as HTTP2 means everything is downloaded in parallel, on the same connection and GZIP means minification doesn’t actually do anything.

You should try a compatibility test if you don’t know to have optimization plugins installed. Briefly disable all other plugins and enable the default Twenty Twenty theme. Please also disable all add-ons. If this fixes the problem, as it probably will, enable everything one by one or in small bulks, checking each time to see when the problem returns.

Let me know how this goes.

Kind Regards,

Anca

Hello,

If that’s okay, you can open a support ticket using our site https://translatepress.com/support/ to ask a pre-sale question. It will be helpful if you put the link of this discussion for us to see the entire conversation.

We will be able to investigate the issue better.

Best Regards,

Anca