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MySQL error code

MySQL error 3561

MySQL server error 3561 is ER_INVALID_OPTION_START_CHARACTER, reported with SQLSTATE 22023.

The options argument in function %s starts with the invalid character '%c'.
Error3561
NameER_INVALID_OPTION_START_CHARACTER
SQLSTATE22023
GroupServer errors

In other databases

Source: MySQL 8.4 Error Reference