DELTA_ALTER_TABLE_UNSET_MANAGED_FAILED error condition
<table> cannot be rolled back from managed to external table.
TIME_WINDOW_EXCEEDED
The time window for rolling back the table has been exceeded. Rollback is only supported
within <numDays> days after the migration to Unity Catalog managed table.
TRUNCATED_HISTORY
The table history is truncated and cannot find all the necessary commits to rollback
the table to its original state.
UNEXPECTED_ERROR
An unexpected error occurred.
== Error ==
<error>
VERSION_MISMATCH
The versions of the managed DeltaLog (<managedDeltaLogVersion>) and external DeltaLog (<externalDeltaLogVersion>) do not match.
This can happen if there is a concurrent ALTER TABLE tbl UNSET MANAGED command that already successfully rolled back the table to external.