How To Fix CNV_MBT_09_A020 - Internal error while creating the container for ALV display.

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_MBT_09_A - Message class for drop-solution

• Message number: 020

• Message text: Internal error while creating the container for ALV display.

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_MBT_09_A020 - Internal error while creating the container for ALV display. ?

  The SAP error message CNV_MBT_09_A020 indicates an internal error that occurs while creating a container for ALV (ABAP List Viewer) display. This error is typically associated with data migration or conversion processes, particularly in the context of SAP's Migration Cockpit or similar tools.
  Cause:
  The error can be caused by several factors, including but not limited to:
  
  Data Issues: There may be inconsistencies or unexpected values in the data being processed, which can lead to issues when trying to display it in an ALV format.
  Memory Limitations: The system may be running out of memory or resources while trying to create the ALV container.
  Configuration Issues: There may be misconfigurations in the ALV settings or the underlying data structures.
  Software Bugs: There could be bugs in the SAP version you are using that affect the ALV display functionality.
  
  Solution:
  To resolve the error, you can try the following steps:
  
  Check Data Consistency: Review the data being processed to ensure there are no inconsistencies or unexpected values. Validate the data types and formats.
  Increase Memory Allocation: If the issue is related to memory, consider increasing the memory allocation for the SAP system or the specific user session.
  Review ALV Configuration: Check the configuration settings for the ALV display. Ensure that all required fields and structures are correctly defined.
  Update SAP System: Ensure that your SAP system is up to date with the latest patches and updates. Sometimes, bugs are fixed in newer versions.
  Debugging: If you have access to the ABAP development environment, you can debug the program to identify the exact point of failure. Look for any exceptions or errors in the code that handles the ALV display.
  Consult SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message. There may be known issues and recommended solutions.
  Contact SAP Support: If the issue persists after trying the above steps, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including any relevant logs or screenshots.
  
  Related Information:
  
  ALV (ABAP List Viewer): A tool in SAP that allows for the display of data in a tabular format with various functionalities like sorting, filtering, and exporting.
  Data Migration: The process of transferring data from one system to another, which can involve data transformation and cleansing.
  SAP Notes: Documentation provided by SAP that includes information about known issues, fixes, and best practices.
  
  By following these steps, you should be able to diagnose and potentially resolve the CNV_MBT_09_A020 error in your SAP environment.