How To Fix /SAPAPO/DC_MSG136 - Assignment can only be turned on or off

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/DC_MSG -

• Message number: 136

• Message text: Assignment can only be turned on or off

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/DC_MSG136 - Assignment can only be turned on or off ?

  The SAP error message /SAPAPO/DC_MSG136 typically indicates that there is an issue with the assignment of a certain object in the SAP Advanced Planning and Optimization (APO) module. This error message usually arises when there is an attempt to change the assignment status of a planning object (like a location, product, or resource) in a way that is not allowed by the system.
  Cause:
  The error message /SAPAPO/DC_MSG136 is triggered when:
  
  You are trying to change the assignment of a planning object (e.g., turning it on or off) in a manner that is not permitted.
  The object is already assigned or unassigned, and the system does not allow further changes to its assignment status.
  There may be dependencies or constraints in the system that prevent the assignment from being modified.
  
  Solution:
  To resolve this error, consider the following steps:
  
  
  Check Current Assignment Status: Verify the current assignment status of the object you are trying to modify. Ensure that you are not attempting to change it in a way that contradicts its current state.
  
  
  Review Dependencies: Look for any dependencies or constraints that might be affecting the assignment. This could include other planning objects that are linked to the one you are trying to modify.
  
  
  Use Correct Transaction: Ensure that you are using the correct transaction or function to change the assignment. Sometimes, specific transactions are designed for certain types of changes.
  
  
  Consult Documentation: Refer to the SAP documentation or help files related to the specific planning object you are working with. There may be specific rules or guidelines for modifying assignments.
  
  
  Check User Authorizations: Ensure that you have the necessary authorizations to make changes to the assignment. Lack of proper permissions can also lead to errors.
  
  
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance. They may provide insights based on the specific configuration of your system.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error message or provide additional context.
  APO Configuration: Review the configuration settings in your APO system, as certain settings may restrict assignment changes.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.