How To Fix /SAPAPO/CFM_MSG155 - Invalid interface

/SAPAPO/CFM_MSG155 - Overview

• Message type: E = Error

• Message class: /SAPAPO/CFM_MSG -

• Message number: 155

• Message text: Invalid interface

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 /SAPAPO/CFM_MSG155 - Invalid interface ?

  The SAP error message /SAPAPO/CFM_MSG155 Invalid interface typically occurs in the context of SAP Advanced Planning and Optimization (APO), particularly when dealing with the CIF (Core Interface) between SAP APO and SAP ERP systems. This error indicates that there is an issue with the interface configuration or the data being transferred between the systems.
  Causes:
  
  Incorrect Configuration: The CIF interface may not be properly configured. This could include incorrect settings in the CIF model or missing master data.
  Data Issues: There may be inconsistencies or invalid data in the master data being transferred, such as invalid material numbers, plant codes, or other key fields.
  Version Mismatch: There could be a version mismatch between the SAP ERP and SAP APO systems, leading to incompatibility in the data structures.
  Authorization Issues: The user or system may not have the necessary authorizations to access or process the data being transferred.
  Network Issues: Connectivity problems between the SAP ERP and