Unfortunate error message upon attempt to drop system versioning

create or replace table t1 (a int) with system versioning;

set system_versioning_alter_history= KEEP;

alter table t1 drop column `row_start`, drop column `row_end`, drop period for system_time, drop system versioning;

# Cleanup

drop table t1;

4125: Wrong parameters for `t1`: missing 'DROP COLUMN `row_start`, DROP COLUMN `row_end`'