How To Fix IPPECIF171 - Class assigned to the object differs

SAP Error Message - Details

• Message type: E = Error

• Message class: IPPECIF - Messages for APO CIP Interfaces in iPPE

• Message number: 171

• Message text: Class assigned to the object differs

Self-Explanatory Message

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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 IPPECIF171 - Class assigned to the object differs ?

  The SAP error message IPPECIF171 indicates that there is a mismatch in the class assignment for a particular object in the system. This error typically occurs in the context of the SAP Plant Maintenance (PM) or SAP Production Planning (PP) modules, where classification and object assignment are crucial for managing data related to equipment, materials, or other entities.
  Cause:
  The error message "Class assigned to the object differs" usually arises due to one of the following reasons:
  
  Incorrect Class Assignment: The object (e.g., equipment, material) is assigned to a different class than what is expected or required by the system.
  Changes in Class Configuration: If the classification system has been modified (e.g., classes have been deleted or changed), existing objects may no longer align with the new class definitions.
  Data Inconsistencies: There may be inconsistencies in the master data where the class assigned to the object does not match the class expected by the transaction or process being executed.
  
  Solution:
  To resolve the IPPECIF171 error, you can follow these steps:
  
  
  Check Class Assignment:
  
  Navigate to the object in question (e.g., equipment or material).
  Verify the class assigned to the object and ensure it matches the expected class for the transaction you are trying to execute.
  
  
  
  Review Class Configuration:
  
  Go to the classification system configuration in SAP (transaction code CL02 for changing classes).
  Check if the class definitions have changed and if the object’s class is still valid.
  
  
  
  Reassign Class:
  
  If the class assignment is incorrect, you may need to reassign the correct class to the object using transaction code CL02 or CL01 (for creating a new class).
  Ensure that the characteristics and values are correctly assigned to the object.
  
  
  
  Data Consistency Check:
  
  Run data consistency checks to identify any other potential issues with the classification data.
  Use transaction codes like CL30 (for class overview) to review the classes and their assignments.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to classification and object assignment for any specific guidelines or updates that may apply to your version of SAP.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance, especially if it involves complex configurations or custom developments.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  CL01: Create Class
  CL02: Change Class
  CL03: Display Class
  CL30: Class Overview
  
  
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional guidance on handling classification errors.
  Documentation: Review the SAP Help Portal for detailed information on classification and object management in the relevant modules.
  
  By following these steps, you should be able to identify and resolve the cause of the IPPECIF171 error in your SAP system.