SAP Message 1E036 - Account closure date is before account opening date DOCUMENTATION NOTES DiagnosisThe date of closure is before the account opening date. This happenedeither because:this is how you entered the date, orwhen direct closure of the account failed, the posting date wasautomatically entered in the date field.ProcedureChange or delete the date. If you delete the date, the referenceaccount is automatically deleted, too. 309703Change account - error mess. on status and date of closure