How To Fix /SAPAPO/DMRES159 - You have no authorization to change the model &

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/DMRES -

• Message number: 159

• Message text: You have no authorization to change the model &

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/DMRES159 - You have no authorization to change the model & ?

  The SAP error message /SAPAPO/DMRES159 indicates that a user does not have the necessary authorization to change a specific model in the SAP Advanced Planning and Optimization (APO) module. This error typically arises when a user attempts to modify a planning model or data that they do not have permission to access.
  Cause:
  
  Authorization Issues: The user lacks the required authorization object to perform changes on the model. This could be due to missing roles or authorizations in their user profile.
  Model Locking: The model might be locked by another user or process, preventing changes.
  Incorrect User Role Assignment: The user may not be assigned to the correct roles that include the necessary authorizations for the model in question.
  
  Solution:
  
  
  Check User Authorizations:
  
  Use transaction code SU53 immediately after encountering the error to see which authorization checks failed.
  Review the user’s roles and authorizations in transaction SU01 or PFCG to ensure they have the necessary permissions.
  
  
  
  Assign Required Roles:
  
  If the user lacks the necessary roles, work with your SAP security team to assign the appropriate roles that include the required authorizations for changing the model.
  
  
  
  Model Locking:
  
  Check if the model is locked by another user. You can use transaction SM12 to see if there are any locks on the model and who holds them. If necessary, coordinate with the user holding the lock to resolve the issue.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or your organization’s internal guidelines regarding authorization management in APO to ensure compliance with security policies.
  
  
  
  Testing:
  
  After making changes to roles or authorizations, have the user log out and back in, then attempt to change the model again to see if the issue is resolved.
  
  
  
  Related Information:
  
  Authorization Objects: In SAP, authorization objects are used to control access to various functions. For APO, relevant authorization objects might include S_APO_MODEL or similar, which govern access to planning models.
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to authorization in APO.
  User Training: Ensure that users are trained on the correct procedures for accessing and modifying models in APO to minimize authorization-related issues.
  
  If the problem persists after checking authorizations and locks, it may be necessary to involve your SAP Basis or security team for further investigation.