clipboard error while excel data uploading in sap

Hi Expert,

We are try to upload excel data through bdc but getting error

"There is a large amount of information on the clipboard . Do you want to be able to paste this information into another program later/

. To save it on the Clipboard so that you can paste it later , click YES
.To delete it from Clipboard and free memory, Click,NO."

After click on NO ,

data not upload and get message msgclass 03.

and again try then again same error getting .

Kindly help me.

Thanks & Regards

Devendra