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

CNV_MBT505 - Overview

• 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.

CNV_MBT505 - Details

• 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