COLUMN_MASKS_FEATURE_NOT_SUPPORTED error class
Column mask policies for <tableName> are not supported:
Setting column mask policies for tables with CHECK constraints
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 only at most mask applies to this column and then retry the query again.
Setting column mask policies for temporary table
Time travel for table with column mask policies
Setting column mask policies for views