Seaquel
MySQL error code

MySQL error 3812

MySQL server error 3812 is ER_NON_BOOLEAN_EXPR_FOR_CHECK_CONSTRAINT, reported with SQLSTATE HY000.

An expression of non-boolean type specified to a check constraint '%s'.
Error3812
NameER_NON_BOOLEAN_EXPR_FOR_CHECK_CONSTRAINT
SQLSTATEHY000
GroupServer errors

Source: MySQL 8.4 Error Reference