How To Fix /ACI/MESSAGES135 - AC Model has been deleted or unavailable

SAP Error Message - Details

• Message type: E = Error

• Message class: /ACI/MESSAGES -

• Message number: 135

• Message text: AC Model has been deleted or unavailable

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 /ACI/MESSAGES135 - AC Model has been deleted or unavailable ?

  The SAP error message /ACI/MESSAGES135 indicating that an "AC Model has been deleted or is unavailable" typically relates to issues with the Availability Check (AC) models in the SAP system. This error can occur in various contexts, such as during sales order processing, production planning, or inventory management.
  Causes:
  
  Deleted AC Model: The AC model that is being referenced in the transaction has been deleted from the system.
  Inactive AC Model: The AC model may exist but is not active or has been set to inactive status.
  Configuration Issues: There may be configuration issues in the system that prevent the AC model from being accessed.
  Authorization Issues: The user may not have the necessary authorizations to access the AC model.
  Transport Issues: If the AC model was recently transported from another system, there may have been issues during the transport process.
  
  Solutions:
  
  
  Check AC Model Status:
  
  Go to the configuration settings for Availability Check (Transaction code: SPRO).
  Navigate to the relevant section to check if the AC model exists and is active.
  
  
  
  Recreate or Reactivate AC Model:
  
  If the AC model has been deleted, you may need to recreate it.
  If it is inactive, reactivate it.
  
  
  
  Review Authorizations:
  
  Ensure that the user has the necessary authorizations to access the AC model.
  Check the user roles and profiles in the user administration (Transaction code: SU01).
  
  
  
  Check Transport Logs:
  
  If the AC model was recently transported, check the transport logs for any errors or issues that may have occurred during the transport.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the specific AC model and its configuration for any additional insights.
  
  
  
  Contact SAP Support:
  
  If the issue persists, consider reaching out to SAP support for further assistance, especially if it appears to be a system-level issue.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SPRO (Customizing), SU01 (User Maintenance), and SE11 (Data Dictionary) for checking the configuration and data related to AC models.
  SAP Notes: Search for SAP Notes related to the error message for any patches or updates that may address the issue.
  Community Forums: Engage with SAP community forums or user groups for shared experiences and solutions from other users who may have encountered the same error.
  
  By following these steps, you should be able to diagnose and resolve the issue related to the error message /ACI/MESSAGES135.