How To Fix AJ637 - Simulation cannot be carried out from billing

SAP Error Message - Details

• Message type: E = Error

• Message class: AJ - Billing program

• Message number: 637

• Message text: Simulation cannot be carried out from billing

What causes this issue?

The simulation that was called up from billing could not be carried out
because there is a move-out and several time-slices in the simulation
period.

System Response

The simulation is canceled.

How to fix this error?

This is an unexpected situation. Contact SAP.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AJ637 - Simulation cannot be carried out from billing ?

  The SAP error message AJ637, which states "Simulation cannot be carried out from billing," typically occurs in the context of billing processes in SAP, particularly when trying to simulate billing documents or invoices. This error can arise due to various reasons, and understanding the cause is essential for finding a solution.
  Causes:
  
  Missing Configuration: The billing document type may not be configured correctly for simulation.
  Inconsistent Data: There may be inconsistencies in the data related to the billing document, such as missing master data or incomplete transaction data.
  Authorization Issues: The user may not have the necessary authorizations to perform the simulation.
  System Settings: Certain system settings or parameters may prevent the simulation from being executed.
  Document Status: The billing document may be in a status that does not allow for simulation (e.g., already posted or completed).
  
  Solutions:
  
  Check Configuration: Review the configuration settings for the billing document type in the SAP system. Ensure that the document type