The Problem: Editor Fails When Weglot Is Active
Did your WordPress site started throwing fatal PHP errors when users tried to edit or update pages with Weglot enabled? While deactivating the plugin temporarily you resolved the issue but it wasn’t a long-term solution. Server logs pointed to a conflict in the way Weglot handled output buffering — and caching behavior made it worse.
What is the Issue?
- Plugin Overlap: Both Weglot and WP Rocket were trying to manage script execution, especially during backend AJAX calls.
- Memory Pressure: Multiple backup and optimization plugins were running at once, pushing server memory limits.
- Intermittent Fixes: Disabling “Load JavaScript Deferred” in WP Rocket helped in staging, but not consistently on the live site.
- Admin Load Failures: These conflicts were breaking editing screens and translation switchers in the dashboard.
Step-by-Step Fix
Step 1: Test Plugin Conflicts
Temporarily deactivate WP Rocket and replace it with Autoptimize to test performance without caching conflicts.
Step 2: Review Server Logs
Check for memory exhaustion and MySQL activity that might amplify plugin issues.
Step 3: Apply a Safe Code Patch
A snippet provided by Weglot disables translation during certain admin actions. This resolved backend access issues without affecting frontend translation.
Step 4: Roll It Out
Test changes in staging first, then deploy to live after verifying stability and editing access.
✅ Final Result
After applying the patch and replacing the caching tool, the site’s admin dashboard returned to full functionality. Editors could now update content, switch languages, and work without backend crashes.
🧠 What You Should Know
- Plugin Conflicts Happen: Even the best tools can clash, especially when both handle JavaScript or caching.
- Always Test in Staging: Use a safe environment before applying fixes to your live site.
- Reach Out to Plugin Support: Don’t troubleshoot alone—vendor support can offer solutions like patches or filters.
- Don’t Ignore Logs: Server logs and error messages are your best friend when tracking down deeper PHP conflicts.
Having issues with plugin compatibility or broken admin panels?
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