Hydra Error 391 Cannot insert a null into column column-name.

In this blog post, let’s learn about the error message “391 Cannot insert a null into column column-name.” in Hydra and the description of the error.

Error Message

391 Cannot insert a null into column column-name.

Error Details

This statement tries to put a null value in the noted column. However, that column has been defined as NOT NULL. Roll back the current transaction. If this is a program, review the definition of the table, and change the program logic to not use null values for columns that cannot accept them.