COLUMN_MASKS_FEATURE_NOT_SUPPORTED error condition
Column mask policies for <tableName> are not supported:
CHECK_CONSTRAINT
Setting column mask policies for tables with CHECK constraints
DESCRIBE_HISTORY
Reading commit history is blocked for tables with column mask policies.
MULTIPLE_MASKS
Table <tableName> has access control policies resulting in multiple column masks <masksList> applying to the same column(s) <columnNames>. Please contact the table owner or policy definer to resolve the issue by updating policies such that at most one mask applies to this column and then retry the query again.
TEMPORARY_TABLES
Setting column mask policies for temporary table
TIME_TRAVEL
Time travel for table with column mask policies
VIEWS
Effective column mask policies for views. The policies must be removed to proceed.