How To Fix CNV_00001536 - System error: no preprocessing function module found. Contact SAP support

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_00001 - Message class for CWB settings maintenance programs

• Message number: 536

• Message text: System error: no preprocessing function module found. Contact SAP support

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_00001536 - System error: no preprocessing function module found. Contact SAP support ?

  The SAP error message CNV_00001536 indicates that the system is unable to find a preprocessing function module that is required for a specific conversion or migration process. This error typically occurs during data migration or conversion activities, particularly when using SAP's Data Migration tools or Conversion tools.
  Cause:
  
  
  Missing Function Module: The primary cause of this error is that the required preprocessing function module is not available in the system. This could be due to:
  
  The function module not being created or activated.
  The function module being deleted or not transported correctly.
  The function module being part of a specific package that is not installed or activated in your SAP system.
  
  
  
  Configuration Issues: There may be configuration issues in the migration or conversion settings that lead to the system not being able to locate the necessary function module.
  
  
  Version Compatibility: If you are using a version of SAP that does not support certain function modules or if there are compatibility issues between different components of the SAP system.
  
  
  Solution:
  
  
  Check for Function Module: 
  
  Use transaction code SE37 to check if the required function module exists in your system. If it does not exist, you may need to create it or transport it from another system.
  
  
  
  Activate the Function Module: If the function module exists but is not active, you can activate it using transaction code SE37.
  
  
  Review Migration Settings: 
  
  Check the settings and parameters in the migration or conversion tool you are using. Ensure that all necessary configurations are correctly set up.
  
  
  
  Consult Documentation: Refer to the SAP documentation related to the specific migration or conversion process you are performing. There may be specific prerequisites or steps that need to be followed.
  
  
  Contact SAP Support: If you are unable to resolve the issue, it is advisable to contact SAP support. Provide them with the error message, the context in which it occurred, and any relevant logs or screenshots to assist in troubleshooting.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error. You can search for notes related to the CNV_00001536 error in the SAP Support Portal.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  SE37: Function Module Maintenance
  SE80: Object Navigator
  SCC1: Client Copy
  
  
  Migration Tools: Understand the specific migration tools you are using (e.g., SAP S/4HANA Migration Cockpit, SAP Data Services) and their requirements.
  
  By following these steps, you should be able to identify the cause of the error and take appropriate action to resolve it.