How To Fix CNV_PE156 - Config class &1 is not valid

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE - General messages for posting engine

• Message number: 156

• Message text: Config class &1 is not valid

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 CNV_PE156 - Config class &1 is not valid ?

  The SAP error message CNV_PE156: Config class &1 is not valid typically occurs in the context of data migration or conversion processes, particularly when using the SAP Landscape Transformation (SLT) or other data migration tools. This error indicates that the configuration class specified in the process is not recognized or is invalid.
  Causes:
  
  Incorrect Configuration Class: The configuration class specified in the migration or conversion process does not exist or is misspelled.
  Missing Customization: The necessary configuration or customization for the specified class has not been set up in the system.
  Authorization Issues: The user executing the process may not have the necessary authorizations to access the configuration class.
  Transport Issues: If the configuration class was recently transported from another system, it may not have been properly imported or activated.
  
  Solutions:
  
  
  Verify Configuration Class:
  
  Check the configuration class name in the error message. Ensure that it is spelled correctly and exists in the system.
  Use transaction codes like SE11