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Hi all, After finishing with flask-tutorial, I created another new virtual environment called flask-tutorial1. Because I wish to create another column on the users table called "email", I carry on with migration processes; flask db migrate and flask db upgrade. I encountered errors like the following screenshot:

https://ibb.co/zHMkFrK https://ibb.co/BGXNHKM

Anyone know what these errors mean? Thank you for any guides on migration

Regards, Kamus

Users have limited number of database connections. Is some other code on your account using MySQL at the same time?

Hi fjl, this error happened during the migration process at the same time I opened MySql to see if the table was affected. Perhaps, I used the database at the same time when I was unrealized. Thank you so much for your reply.

Kamus