Column count of mysql.proc is wrong. Expected 20, found 16. The table is probably corrupted

Question

I am using 000webhost.com and I am using phpMyAdmin there. I am getting this error from MySQL when I run my PHP script as the title says:

Column count of

Answer 1

I am using xampp on Ubuntu 20.04 and the my problem that return this same message error was solved with this solution:

1. Go to the xampp directory: cd /opt/lampp/
2. Go to the bin directory: cd bin
3. Execute the script: sudo ./mysql_upgrade

Credits: https://askubuntu.com/questions/1171409/how-to-run-mysql-upgrade-when-using-xampp