How To Fix ISSR_TP637 - Error during creation of new node table for ALV tree

SAP Error Message - Details

• Message type: E = Error

• Message class: ISSR_TP - Message Class for Statutory Reporting

• Message number: 637

• Message text: Error during creation of new node table for ALV tree

What causes this issue?

An error occurred during the creation of new internal node table &V1&
using method &V2& (class &V3&): The new and old node tables have an
unequal number of data records.

System Response

The system terminates the display of the transferrable positions
selected.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message ISSR_TP637 - Error during creation of new node table for ALV tree ?

  The SAP error message ISSR_TP637 indicates that there was an error during the creation of a new node table for an ALV (ABAP List Viewer) tree. This error typically arises in the context of using ALV trees in SAP applications, particularly when trying to display hierarchical data.
  Possible Causes:
  
  Data Issues: The data being processed may have inconsistencies or may not meet the expected structure required for the ALV tree.
  Configuration Problems: There may be issues with the configuration of the ALV tree or the underlying data model.
  Memory Issues: Insufficient memory or resources allocated to the SAP system can lead to errors when trying to create new data structures.
  Coding Errors: If custom code is involved in generating the ALV tree, there may be bugs or logical errors in the ABAP code.
  Version Compatibility: The error may arise due to compatibility issues between different versions of SAP or the components being used.
  
  Solutions:
  
  Check Data Consistency: Ensure that the data being used to populate the ALV tree is consistent and adheres to the expected format. Validate the data source and check for any anomalies.
  Review Configuration: Verify the configuration settings for the ALV tree. Ensure that all necessary parameters are correctly set up.
  Increase Memory Allocation: If memory issues are suspected, consider increasing the memory allocation for the SAP system or optimizing the data being processed.
  Debug Custom Code: If custom ABAP code is involved, use the debugger to step through the code and identify any logical errors or exceptions that may be causing the issue.
  Check SAP Notes: Look for any relevant SAP Notes or patches that address this specific error. SAP frequently releases updates that may resolve known issues.
  Consult Documentation: Review the official SAP documentation for ALV trees to ensure that you are following best practices and guidelines.
  
  Related Information:
  
  ALV Trees: ALV trees are used to display hierarchical data in a structured format, allowing users to expand and collapse nodes.
  SAP Support: If the issue persists, consider reaching out to SAP support for assistance. Provide them with detailed information about the error, including any relevant logs or screenshots.
  Community Forums: Check SAP community forums or other online resources where similar issues may have been discussed. Other users may have encountered the same error and found solutions.
  
  By following these steps, you should be able to diagnose and resolve the ISSR_TP637 error effectively.