LSMW, Material master data is not getting extending to another plant

Hello Gurus,

I have a requirement to extend a Material master data from one plant to another, I tried using Batch input recording in LSMW. I made the recording and started executing the mass upload, but i am getting an error message "while extending the plant data of reference material is not getting copied" instead of copying it is asking me to enter them manually.

Kindly find attached screen shot for your reference. Would request you to provide your suggestion on how to solve this issue.

Thanks & Regards,

Sanjay D