How To Fix ECRM_CONTR109 - Reverse billings for contract &1 between &2 and &3

ECRM_CONTR109 - Overview

• Message type: E = Error

• Message class: ECRM_CONTR - CRM Messages- Contract Download/Upload

• Message number: 109

• Message text: Reverse billings for contract &1 between &2 and &3

What causes this issue?

The system could not change the move-in/move-out date because the
contract contains unreversed billing documents.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Reverse the billings in the period specified.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

ECRM_CONTR109 - Details

• The SAP error message ECRM_CONTR109 typically occurs in the context of contract management, specifically when dealing with reverse billings. This error indicates that there is an issue with the reverse billing process for a specific contract, which is identified by the contract number (&1) and the date range (&2 to &3).
  
  Cause:
  The error can be caused by several factors, including:
  
  
  Invalid Contract Status: The contract may not be in a status that allows for reverse billing. For example, if the contract is already completed or closed, reverse billing may not be permitted.
  
  
  Date Range Issues: The specified date range for the reverse billing may not align with the billing periods defined in the contract. If the dates are outside the valid billing periods, the system will throw this error.
  
  
  Billing Document Issues: There may be existing billing documents that conflict with the reverse billing process. If there are already invoices or credit memos created