Seaquel
All MySQL error codes
MySQL error code

MySQL error 1789

MySQL server error 1789 is ER_SOURCE_HAS_PURGED_REQUIRED_GTIDS, reported with SQLSTATE HY000.

Cannot replicate because the source purged required binary logs. Replicate the missing transactions from elsewhere, or provision a new replica from backup. Consider increasing the source's binary log expiration period. %s
Error1789
NameER_SOURCE_HAS_PURGED_REQUIRED_GTIDS
SQLSTATEHY000
GroupServer errors

Source: MySQL 8.4 Error Reference