Recently I've received a task from my clients to improve their company page. I've migrated the page to my VPS and made some modifications:
- added new content
- updated Wordpress
- updated plugins
- updated theme (Salient)
- fixed minor CSS issue
Next I've moved the page back to the original hosting (home.pl) and I've begun testing. Everything has worked well so far but when I've clicked the button "update" on any page, something strange has happened: I've been moved automatically to the posts list and all my changes haven't been saved.
I've tried testing different things but I can't come up with a solution. Disabling all the plugins and theme doesn't help. When I create new page and put little content I can save and modify page, but when I put a lot of content it doesn't work.
I've tried wp_debug and chrome console but it gave me "Failed to load resource: the server responded with a status of 404 (Not Found)" error.
I've tried increasing, max_execution_time, max_input_vars, memory_limit. And obviously I've googled for a solution but with no results.
Website works fine on my VPS but it' doesn't work on client's hosting. What else can I try to solve this problem? Any ideas?
Web page uses Salient theme with WPBaker Visual Builder. I've noticed that the original size of .sql dump was ~50MB. but after my changes it's grown almost twice the size.