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MySQL error code

MySQL error 4149

MySQL server error 4149 is ER_BULK_PARSER_UNEXPECTED_CHAR_AFTER_NULL_ESCAPE, reported with SQLSTATE HY000.

Unexpected characters after NULL escape (\\N) found at row %ld in file '%s'.
Error4149
NameER_BULK_PARSER_UNEXPECTED_CHAR_AFTER_NULL_ESCAPE
SQLSTATEHY000
GroupServer errors

Source: MySQL 8.4 Error Reference