How To Fix WRF_APC_INB159 - Unexpected type of characteristic &1

SAP Error Message - Details

• Message type: E = Error

• Message class: WRF_APC_INB - Messages for OAPC Inbound Processing

• Message number: 159

• Message text: Unexpected type of characteristic &1

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message WRF_APC_INB159 - Unexpected type of characteristic &1 ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WRF_APC_INB159 Unexpected type of characteristic &1
  
  Cause:
  This error occurs in the SAP Advanced Planning and Optimization (APO) or Variant Configuration (VC) environment when the system encounters a characteristic type that it does not expect or cannot process during a planning or configuration run.
  Specifically, the message indicates that the characteristic (denoted by &1, which will be replaced by the characteristic name or ID in the actual message) has a type that is not supported or is inconsistent with the expected characteristic type in the context where it is used.
  Common causes include:
  
  The characteristic is defined with a data type that is incompatible with the planning or configuration logic.
  The characteristic is used in a planning model, but its type is not supported by the planning engine or the integration interface.
  A mismatch between the characteristic type in the master data and the expected type in the planning or configuration model.
  Custom enhancements or user exits passing unexpected characteristic types.
  
  
  Solution:
  To resolve this error, follow these steps:
  
  
  Identify the Characteristic:
  
  Check the exact characteristic name or ID in the error message (&1).
  Go to transaction CT04 (Change Characteristic) to review the characteristic's definition.
  
  
  
  Check Characteristic Type:
  
  Verify the data type of the characteristic (e.g., CHAR, NUM, DATE, etc.).
  Confirm if this type is supported in the context of the planning or configuration process you are running.
  
  
  
  Adjust Characteristic Type or Usage:
  
  If the characteristic type is not supported, consider changing it to a supported type.
  Alternatively, adjust the planning model or configuration to exclude or handle this characteristic differently.
  
  
  
  Check Integration and Mapping:
  
  If the characteristic is used in integration scenarios (e.g., between SAP ERP and APO), ensure that the mapping and data transfer settings are consistent.
  Use transaction /SAPAPO/CHAR or relevant APO transactions to check characteristic settings.
  
  
  
  Review Custom Code:
  
  If there are user exits, BADIs, or custom enhancements involved, verify that they handle characteristic types correctly.
  Debug or add error handling for unexpected characteristic types.
  
  
  
  Consult SAP Notes:
  
  Search the SAP Support Portal for notes related to WRF_APC_INB159 or characteristic type issues.
  Apply any relevant patches or corrections.
  
  
  
  
  Related Information:
  
  
  Transactions:
  
  CT04 - Change Characteristic
  /SAPAPO/CHAR - APO Characteristic Maintenance
  /SAPAPO/VC_CFG - Variant Configuration in APO
  Planning and integration transactions depending on your scenario
  
  
  
  SAP Modules:
  
  APO (Advanced Planning and Optimization)
  Variant Configuration (VC)
  Integration between SAP ERP and APO
  
  
  
  SAP Notes and Documentation:
  
  Check SAP Notes for known issues with characteristic types in APO or VC.
  Review SAP Help Portal documentation on characteristics and planning model integration.
  
  
  
  
  If you provide the exact characteristic name or the scenario in which this error occurs, I can help you with more specific guidance.