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MySQL error code

MySQL error 3573

MySQL server error 3573 is ER_CTE_RECURSIVE_REQUIRES_UNION, reported with SQLSTATE HY000.

Recursive Common Table Expression '%s' should contain a UNION
Error3573
NameER_CTE_RECURSIVE_REQUIRES_UNION
SQLSTATEHY000
GroupServer errors

Source: MySQL 8.4 Error Reference