MySQL error code: 1175 during UPDATE in MySQL Workbench

Error Code: 1175. You are using safe update mode and you tried to update a table without a WHERE that uses a KEY column To disable safe mode, toggle the option in Preferences -> SQL Queries and reconnect. 0.000 sec

Try disabling that using these steps -

Edit > Preferences > Sql Editor > uncheck the "Safe Updates"

Note - try reconnecting the server (Query > Reconnect to Server) and than run your query again.