How To Fix 42201 - Function module 'RS_TREE_LIST_DISPLAY' call error

SAP Error Message - Details

• Message type: E = Error

• Message class: 42 - Information Workbench

• Message number: 201

• Message text: Function module 'RS_TREE_LIST_DISPLAY' call error

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message 42201 - Function module 'RS_TREE_LIST_DISPLAY' call error ?

  The SAP error message 42201, which indicates a "Function module 'RS_TREE_LIST_DISPLAY' call error," typically occurs when there is an issue with the function module that is responsible for displaying hierarchical data in a tree structure. This error can arise due to various reasons, including data inconsistencies, configuration issues, or problems with the function module itself.
  Causes:
  
  Data Issues: The data being processed may be inconsistent or corrupted, leading to the function module failing to execute properly.
  Authorization Problems: The user may not have the necessary authorizations to access the data or execute the function module.
  Configuration Errors: Incorrect configuration settings in the SAP system can lead to issues when calling the function module.
  System Bugs: There may be bugs or issues in the specific version of SAP you are using that affect the function module.
  Memory Issues: Insufficient memory or resources on the application server can also lead to this error.
  
  Solutions:
  
  Check Data Integrity: Verify the data being processed to ensure there are no inconsistencies or corruption. You may need to run data consistency checks or repair any issues found.
  Review Authorizations: Ensure that the user executing the function has the necessary authorizations. You can check this in transaction SU53 or by reviewing the user's roles and authorizations.
  Configuration Review: Check the configuration settings related to the function module and ensure they are set up correctly. This may involve reviewing settings in transaction codes related to the specific application area.
  Update SAP System: If the issue is due to a known bug, check for any available patches or updates for your SAP system that may resolve the issue.
  Monitor System Resources: Check the application server's memory and resource usage. If resources are low, consider optimizing the system or increasing the available resources.
  Debugging: If you have access to the development environment, you can debug the function module to identify the exact point of failure and gather more information about the error.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like SE37 (Function Module), SE80 (Object Navigator), or ST22 (Dump Analysis) to investigate further.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  Community Forums: Consider checking SAP Community forums or other online resources where similar issues may have been discussed.
  
  If the problem persists after trying the above solutions, it may be beneficial to contact SAP support for further assistance.