Hi Satya,
For 100% Inspection, your sampling procedure is OK, and should work well. For more details about this setup (may be you might be already aware of) - https://wiki.scn.sap.com/wiki/display/PLM/Inspection+lot+creation+%3A+sample+size+calculation
Looks like there is some issues with rounding of KG for decimal places. Please can you look into the suggestions shared in the below threads:
https://scn.sap.com/thread/3502809.
https://scn.sap.com/thread/917111
Thanks,
Arijit