Withholding tax

I want to start withholding tax .

I have maintained all the configuration and it's propely woked with vendor code but in case of customer i am geting error.

Error : 1 items have not been activated due

inconsistent withholding tax info

Full text.

1 items have not been activated due to inconsistent withholding tax info

Message no. F5787

Diagnosis

The open items display different withholding tax information from the

relevant business partner master record. For example, the number of

withholding tax types in the open item could differ from the number of

withholding tax types in the master record.

System Response

Items are not activated.

Procedure

Change the withholding tax data for the open item in question.

Please help.

Thanks and Regards

Gaurav Gupta