DELTA_UNSUPPORTED_DROP_COLUMN error condition
DROP COLUMN is not supported for your Delta table.
ARCHIVED_FILES
Your table contains archived files. Columns cannot be dropped from archived files.
ENABLE_COLUMN_MAPPING
Enable Column Mapping on your Delta table with mapping mode 'name' by running:
ALTER TABLE table_name SET TBLPROPERTIES ('delta.columnMapping.mode' = 'name').
If your table is not on the required protocol version it will be upgraded. Column mapping requires at least protocol (<readerVersion>, <writerVersion>).