How To Fix PPELUI031 - The selected combination of class and class type is invalid

PPELUI031 - Overview

• Message type: E = Error

• Message class: PPELUI - Messages of iPPE Workbench Express

• Message number: 031

• Message text: The selected combination of class and class type is invalid

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 PPELUI031 - The selected combination of class and class type is invalid ?

  The SAP error message PPELUI031, which states "The selected combination of class and class type is invalid," typically occurs in the context of SAP Plant Maintenance (PM) or SAP Project System (PS) when working with classification and object characteristics. This error indicates that the system cannot find a valid combination of the class and class type you are trying to use.
  Causes:
  
  Incorrect Class Type: The class type you are trying to use may not be compatible with the class you have selected. Each class type is designed for specific purposes and may not support all classes.
  Missing Class Assignment: The class you are trying to use may not be assigned to the class type in the system configuration.
  
  Configuration Issues: There may be issues in the configuration of the classification system, such as missing or incorrect settings in the Customizing settings for classes and class types.
  Authorization Issues: Sometimes, the user may not have