Glue job throwing error : AnalysisException: The namespace in session catalog must have exactly one name part

I have creating glue job that is reading parquet file from s3 and using iceberg connector to create iceberg table . I have used catalog name as my_catalog , database I have created with name db and table name I have given is sampletable , though when I run the job it fails with below error: AnalysisException: The namespace in session catalog must have exactly one name part: my_catalog.db.sampletable