- Status
- Resolved
- Type
- Won't fix
- Topic tags
- Not WPML issue
Overview of the issue
If your site is using Apache’s mod_substitute module, you may see an ERR_HTTP2_PROTOCOL_ERROR error when you go to WPML → String Translation → Translate texts in admin screens.
Workaround
We recommend you to contact your hosting service regarding this error.
In the meantime, you can add this code to your .htaccess file:
<IfModule mod_substitute.c> SubstituteMaxLineLength 10M </IfModule>