Hello johnny09
First, log on to the CWP control panel
Go to → PHP Settings → PHP.ini Configuration → From the keyboard, choose CTRL + F at the same time → Then look for max_input_vars → Replace the value to 3000 → After completion, click Save
Go to → PHP Settings → PHP Version Switcher → See what PHP version is working on the control panel (You are running PHP version: 8.0.11) If you use PHP SELECTOR I go there Either if you use PHP-FPM SELECTOR I go there → Then go to the version you use from php and click [edit php.ini] → From the keyboard, choose CTRL + F at the same time → Then look for max_input_vars → Replace the value to 3000 → After completion, click Save
Go to → User Accounts → List Accounts → You chose username that you want to solve its problem and log on to its control panel → CWP Settings → Edit php.ini → Click on Advanced Editor → Copy
max_input_vars=3000
Then paste into a new line → After completion, click Save