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

ISSR_TP637 - Overview

• 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