Hello,
Thank you for contacting Toolset support team,
This is a common issue that could be explained by many possible causes, here are some forums with possible solutions :
1- WP debug logs :
https://toolset.com/forums/topic/white-screen-when-try-to-edit-content-template/#post-2296433
2- If that didn't help, please check if the issue persists in a minimal environment by following these steps.
- Deactivate all the plugins except Toolset
- Switch for a moment to a WordPress default theme like Twenty Twenty-one.
If the issue is gone, activate them one by one to see which one there is causing an interaction issue.
3- If that minimal environment still have this issue, please check if you are getting any errors or warnings related to Toolset in the WordPress Debug log or Server Error Log while having this issue.
To enable WP debug log, open your wp-config.php file and look for:
define('WP_DEBUG', false);
And change it to:
define('WP_DEBUG', true);
// Enable Debug logging to the /wp-content/debug.log file
define('WP_DEBUG_LOG', true);
// Disable display of errors and warnings which is recommended on a live site.
define('WP_DEBUG_DISPLAY', false);
@ini_set('display_errors',0);
Then try to reproduce the issue and check if any errors were saved to the debug.log log file inside the /wp-content/ directory
If you can paste your debug.log to https://pastebin.com/ and provide me that link, it would be great!
Looking forward to your reply,