Error Code: 2013. Lost connection to MySQL server during query

Question

I got the Error Code: 2013. Lost connection to MySQL server during query error when I tried to add an index to a table using MySQL Workbench. I noticed als

Answer 1

Try please to uncheck limit rows in in Edit → Preferences →SQL Queries

because You should set the 'interactive_timeout' and 'wait_timeout' properties in the mysql config file to the values you need.