MySQL Workbench cannot load mysql.proc

Question

I am starting to use MySQL Workbench tool especially for data modeling. So, the first I would like to do is reverse engineering of my existing database on web server. But I

Answer 1

I got this error, when I had a syntax error in my SQL query in a join.

I did

JOIN shops ON s (...)

instead of the correct

JOIN shops s ON (...)

This error was really confusing, I don't know what this has to do with mysql.proc, but fixing the query fixed the problem. None of the above solutions worked for obvious reasons.