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 had the same problem when I updated XAMPP from xampp-osx-7.2.10 to 7.3.9 in MacOS Mohave. So the solution was:

Find the file mysql_upgrade in "Macintosh HD⁩ ▸ ⁨Applications⁩ ▸ ⁨XAMPP⁩ ▸ ⁨xamppfiles⁩ ▸ ⁨bin⁩" and double click on it.