How To Fix CNVC_CCE_MSG031 - Unable to refresh ALV

SAP Error Message - Details

• Message type: E = Error

• Message class: CNVC_CCE_MSG -

• Message number: 031

• Message text: Unable to refresh ALV

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 CNVC_CCE_MSG031 - Unable to refresh ALV ?

  The SAP error message CNVC_CCE_MSG031: Unable to refresh ALV typically occurs in the context of the ALV (ABAP List Viewer) when there is an issue with refreshing the data displayed in the ALV grid. This can happen for various reasons, including data inconsistencies, issues with the underlying data model, or problems with the ALV configuration.
  Causes:
  
  Data Inconsistency: The data being fetched for the ALV might be inconsistent or not available, leading to a failure in refreshing the display.
  Buffer Issues: There may be issues with the buffer where the data is stored temporarily.
  User Authorizations: The user may not have the necessary authorizations to access the data being displayed.
  Technical Errors: There could be technical issues in the ABAP code that generates the ALV report.
  Memory Issues: Insufficient memory or resources on the application server can also lead to this error.
  ALV Configuration: Incorrect configuration settings for the ALV grid can prevent it from refreshing properly.
  
  Solutions:
  
  Check Data Consistency: Ensure that the data being fetched for the ALV is consistent and available. You can do this by running the underlying query or transaction directly.
  Clear Buffer: If the issue is related to buffering, try clearing the buffer or refreshing the data source.
  Review Authorizations: Verify that the user has the necessary authorizations to access the data. You can check this in the user roles and authorizations.
  Debugging: If you have access to the ABAP code, you can debug the program to identify where the error occurs. Look for any exceptions or errors in the code that might prevent the ALV from refreshing.
  Check Memory Usage: Monitor the memory usage on the application server. If memory is low, consider optimizing the program or increasing the resources.
  ALV Configuration: Review the configuration settings for the ALV grid. Ensure that all required settings are correctly configured.
  Re-execute the Report: Sometimes, simply re-executing the report or transaction can resolve temporary issues.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  ALV Documentation: Review the official SAP documentation on ALV to understand its configuration and usage better.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis or ABAP development team for further investigation.