› Forums › SNAP – WordPress Plugin Forums › 500 error code with all my website use SNAP pro version (1.5.4) › Reply To: 500 error code with all my website use SNAP pro version (1.5.4)
Okay, this has been fix. Here is the instructions given to me by Ludwig. This fixed the issue, and I was able to upgrade both the SNAP and Pro plugins to their current versions.
“Please go to the WordPress database and delete row __plugins_cache_242 from your wp_options table. Then please go to the Help/Support tab and click [Check for API Update].”