SAP Message VK20021 - Document &1 can not be reversed due to reversal document for coinsurance DOCUMENTATION DiagnosisDocument &V1& is a reversal document from coinsurance, meaning that thedocument has either reversedA coinsurance-relevant document, orA document that was created by the Posting coinsurance shares>mass activity.This function is not supported.System ResponseDocument &V1& can not be reversed.