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

/ACI/MESSAGES135 - Overview

• 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.

Unfortunately, there isn't any extra information in this error notice.

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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