How To Fix MW158 - Message determination cannot be deactivated

SAP Error Message - Details

• Message type: E = Error

• Message class: MW - Messages IS-R / Allocation Tables

• Message number: 158

• Message text: Message determination cannot be deactivated

What causes this issue?

Message determination can only be switched off for the following types
of message for a plant:

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

Allocation table notifications
Confirmation request notifications
Replies cannot be made compulsory
Promotion announcement
Promotion announcement with confirmation request
Replies cannot be made compulsory
If you switch off message determination, no notification is generated
(neither as a printout nor as an IDoc). Each plant has to reply using
special functions, e.g. online in ERP or via the SAP Retail Store.
Reminders and confirmations are therefore not possible.

System Response

INCLUDE ISR_VERARBEITUNG OBJECT DOKU ID TX

How to fix this error?

INCLUDE ISR_KORRIGIEREN OBJECT DOKU ID TX

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MW158 - Message determination cannot be deactivated ?

  The SAP error message MW158 ("Message determination cannot be deactivated") typically occurs in the context of message determination for output processing in SAP, particularly when dealing with sales documents, deliveries, or other transactional documents. This error indicates that the system is unable to deactivate the message determination for a specific output type due to certain conditions or settings.
  Causes:
  
  Output Type Configuration: The output type may be configured in such a way that it cannot be deactivated. This could be due to settings in the output determination procedure or the message control settings.
  Document Status: The document (e.g., sales order, delivery) may be in a status that does not allow changes to the output determination settings.
  Customizing Settings: There may be specific customizing settings in the SAP system that enforce the activation of message determination for certain output types.
  Dependencies on Other Outputs: The output type may have dependencies on other output types or conditions