while doing Normalization for WTPartMaster, its throwing some error in Windchill shell window.

I am using Windchill PDMLink Release 11.2 and Datecode with CPS 11.2.1.8

while doing Normalization for WTPartMaster, its throwing some error in Windchill shell window.

Here are the errors that I faced
1. Input Arguments: [-s, WTPartMaster]
2. =========================================================
3. [NORMALIZE:Thread 0]: started processing WTPARTMASTER
4. No rows to normalize for WTPARTMASTER
5. Conflict checking will be performed for INT_WTPARTMASTER
6. No rows to normalize for ATT_WTPARTMASTER
7. Rows with unsupported container types for INT_WTPARTMASTER: 0 rows.