DBR 10.5, Spark 3.2.1

```

%sql

CREATE TABLE testing (

    name string,

    counter int

    )

     USING DELTA

     OPTIONS (PATH "/mnt/general/testingtbl/")

```

```

%sql

insert into testing (name, counter) values ('a', 1)

```

```

%sql

ALTER TABLE testing SET TBLPROPERTIES (

 'delta.minReaderVersion' = '2',

 'delta.minWriterVersion' = '5',

 'delta.columnMapping.mode' = 'name'

)

```

```

%sql alter table testing drop column counter

```

Returns this error: Unrecognized column change class org.apache.spark.sql.connector.catalog.TableChange$DeleteColumn. You may be running an out of date Delta Lake version