MySQL Error 1064 when adding foreign key with MySQL Workbench

Question

So I have an error, when I want to add a foreign key. I added the foreign key in MySQL Workbench with an EER Diagram Model. The lines workbench tries to add are:`

Answer 1

Check Your MySQL version and update it in:

Preferences -> Modeling -> MySQL -> Default Target MySQL Version

My MySQL version is 5.7.21.