How To Fix CNV_MBT505 - Package and subproject are initial - invalid call

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_MBT - PCL message class

• Message number: 505

• Message text: Package and subproject are initial - invalid call

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_MBT505 - Package and subproject are initial - invalid call ?

  The SAP error message CNV_MBT505 ("Package and subproject are initial - invalid call") typically occurs in the context of SAP's Migration and Conversion tools, particularly when working with the SAP S/4HANA Migration Cockpit or other data migration scenarios. This error indicates that the system is expecting a package and subproject to be defined, but they are not set, leading to an invalid call.
  Cause:
  
  Missing Configuration: The error usually arises when the migration package or subproject has not been properly configured or initialized in the system.
  Incorrect Transaction Call: The transaction or function module that is being called may require specific parameters (like package and subproject) that are not being provided.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access the required package or subproject.
  
  Solution:
  
  
  Check Configuration:
  
  Ensure that the migration package and subproject are correctly defined in the system. You can do this by navigating to the relevant configuration settings in the SAP system.
  If you are using the Migration Cockpit, ensure that you have selected the correct migration object and that it is properly set up.
  
  
  
  Initialize Package and Subproject:
  
  If you are working with a custom migration project, make sure to initialize the package and subproject before executing the migration. This can often be done through the relevant transaction codes or configuration screens.
  
  
  
  Review Transaction Calls:
  
  If you are calling a function module or transaction programmatically, ensure that you are passing the required parameters correctly. Check the documentation for the specific function module to understand what parameters are needed.
  
  
  
  Check Authorizations:
  
  Verify that the user executing the migration has the necessary authorizations to access the migration package and subproject. You may need to consult with your SAP security team to ensure that the user has the appropriate roles assigned.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates that resolve known issues related to this error message.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the process to identify where the call is failing. This may require technical expertise in ABAP or the specific migration tools being used.
  
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for the Migration Cockpit or the specific migration tool you are using for detailed guidance on setup and configuration.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can provide insights or solutions.
  SAP Support: If the issue cannot be resolved through the above steps, consider reaching out to SAP Support for assistance.
  
  By following these steps, you should be able to identify the cause of the CNV_MBT505 error and implement a solution to resolve it.