All MySQL error codes

MySQL error code

MySQL error 1054

MySQL server error 1054 is ER_BAD_FIELD_ERROR, reported with SQLSTATE 42S22.

Unknown column '%s' in '%s'

Error	1054
Name	ER_BAD_FIELD_ERROR
SQLSTATE	42S22
Group	Server errors

How to fix it

Explained step by step, with a query you can run

column "x" does not exist

In other databases

Source: MySQL 8.4 Error Reference