How To Fix REISCA016 - Caution: RE80 reporting tree already has &1 entries

SAP Error Message - Details

• Message type: E = Error

• Message class: REISCA - Information System: General Functions

• Message number: 016

• Message text: Caution: RE80 reporting tree already has &1 entries

What causes this issue?

The RE80 reporting tree already contains &V1& entries from table
<AB>TIVISREPTREE.</>
If you run this report as an update run, the existing entries can be
overwritten. This would destroy the reporting tree. In addition, only
the current logon language is adopted in the reporting tree. Any entries
that were already translated are lost.

System Response

<ZH>We very strongly advise you not to run this report!</>
Instead, maintain the reporting tree structure manually using
maintenance view <AB>V_TIVISREPTREE</>.

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 REISCA016 - Caution: RE80 reporting tree already has &1 entries ?

  The SAP error message REISCA016, which states "Caution: RE80 reporting tree already has &1 entries," typically occurs in the context of the SAP Real Estate Management (RE) module when you are trying to create or modify a reporting tree (RE80) that already contains entries. This message serves as a warning that the reporting tree you are working with is not empty, and any changes you make could affect existing data.
  Cause:
  
  Existing Entries: The reporting tree you are trying to modify already has entries, which means that it is not empty. This could lead to potential data inconsistencies or loss if not handled properly.
  Incorrect Process: You may be attempting to create a new reporting tree without first ensuring that the existing tree is cleared or that you are not duplicating efforts.
  
  Solution:
  
  Review Existing Entries: Before making changes to the reporting tree, review the existing entries to understand what data is already present. You can do this by navigating to the reporting tree in the SAP GUI and checking its contents.
  Decide on Action:
  
  If you need to keep the existing entries, consider modifying the current tree instead of creating a new one.
  If the existing entries are no longer needed, you may choose to delete them before proceeding with your changes. Ensure that you have backups or that the data is no longer required.
  
  
  Create a New Tree: If you are sure that you want to create a new reporting tree, you may need to ensure that you are using a different identifier or name for the new tree to avoid conflicts.
  Consult Documentation: Refer to SAP documentation or help resources for specific instructions on managing reporting trees in the RE module.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or updates regarding this error message.
  Transaction Codes: Familiarize yourself with transaction codes related to reporting trees in SAP RE, such as RE80 for managing reporting trees.
  User Permissions: Ensure that you have the necessary permissions to modify or delete entries in the reporting tree.
  Testing Changes: If possible, test changes in a development or test environment before applying them in production to avoid unintended consequences.
  
  If the issue persists or if you need further assistance, consider reaching out to your SAP support team or consulting with an SAP expert who specializes in the Real Estate Management module.