IW156 - Scheduling type & does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: IW - Order Processing

• Message number: 156

• Message text: Scheduling type & does not exist

What causes this issue?

The proposal for the scheduling type is not maintained in your
system.

System Response

INCLUDE 'KEINE-VERARBEITUNG' OBJECT DOKU ID TX LANGUAGE E

How to fix this error?

INCLUDE 'SYSTEMVERWALTER' OBJECT DOKU ID TX LANGUAGE E
Procedure for System Administration
Maintain the entry for the scheduling type with the help of the
customizing function:

<DS:TRAN.OIOT>Proceed</>
ENDIF

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message IW156 - Scheduling type & does not exist ?

  The SAP error message IW156, which states "Scheduling type & does not exist," typically occurs in the context of maintenance planning and scheduling within the SAP system, particularly in the Plant Maintenance (PM) module. This error indicates that the system is unable to find a valid scheduling type that has been specified in the operation or task list.
  Cause:
  
  Invalid Scheduling Type: The scheduling type specified in the maintenance order or task list does not exist in the system. This could be due to a typo or an incorrect entry.
  Missing Configuration: The scheduling type may not have been defined in the system configuration. This can happen if the necessary customizing settings have not been completed.
  Data Inconsistency: There may be inconsistencies in the data, such as missing entries in the relevant tables that define scheduling types.
  
  Solution:
  
  Check the Scheduling Type: Verify the scheduling type that is being used in the maintenance order or task list. Ensure that it is correctly entered and matches the expected format.
  Define Scheduling Type: If the scheduling type does not exist, you may need to create it. This can be done in the SAP configuration:
  
  Go to the transaction code SPRO.
  Navigate to Plant Maintenance and Customer Service > Maintenance and Service Processing > Maintenance Planning > Define Scheduling Types.
  Here, you can create or modify scheduling types as needed.
  
  
  Check Customizing Settings: Ensure that all necessary customizing settings related to scheduling types are properly configured. This includes checking related tables and entries.
  Consult Documentation: Review SAP documentation or help resources for additional guidance on scheduling types and their configuration.
  
  Related Information:
  
  Transaction Codes: You may find it useful to use transaction codes such as IW31 (Create Order), IW32 (Change Order), and IW33 (Display Order) to check the details of the maintenance orders.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  User Authorizations: Ensure that you have the necessary authorizations to view and modify scheduling types in the system.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in the Plant Maintenance module for further assistance.