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
![Error (Error Code: 1175) during executing update command on table using MySQL Workbench 5.2 - Stack Overflow Error (Error Code: 1175) during executing update command on table using MySQL Workbench 5.2 - Stack Overflow](https://i.stack.imgur.com/uEc8r.png)
Error (Error Code: 1175) during executing update command on table using MySQL Workbench 5.2 - Stack Overflow
![Fix Error you are Using Safe Update Mode in MySQL Workbench | Safe Mode Error | Work Bench | - YouTube Fix Error you are Using Safe Update Mode in MySQL Workbench | Safe Mode Error | Work Bench | - YouTube](https://i.ytimg.com/vi/A_ROAHutuEU/hqdefault.jpg)