error in SMW02 BDOC

Dear Sir,

I have the problem when synhchonized from R3 to CRM , there is the bdoc error. and data did not updated in CRM. I check in SMW02 , but i don't know which field was error. How can I check in CRM. what is the field error and make the data not updated.

Please kindly advise.

Thank you and best regards,

Vimol