Hi @Shafiul Alam​ ,

yeah it was what I would do old days. Rename the column, I used this as an example: re.sub(r'[^0-9a-zA-Z]+', "_", col)

The issue is here that hive_metastore doesn't allow names with commas you are right. The documentation must be related to the Databricks implementation of metastore - it's confusing in the documentation sometimes

It was fine for tables in Unity Catalog:

but for hive_metastore it throws an error: