SAP Message ARCH_ANA236 - Error during the determinat. of the value of virtual fld. &2 of table &1

Diagnosis An error occurred during the analysis of table &v1&. The BAdIimplementation that is to determine the value of the virtual field &v2&is not delivering the value. Procedure There may be an error in the BAdI implementation. Errors can occur, forexample, when the BAdI implementation deletes lines from the internaltable CT_DATA (for example using the command REFRESHct_data). This is not permissible. If the BAdI implemenation is a customer-specific object, go back andcheck it. If the BAdI implemenation is part of the standard deliverycontact SAP.