How To Fix CME_DTYPE029 - You cannot change the level number

SAP Error Message - Details

• Message type: E = Error

• Message class: CME_DTYPE - CME Data Type: Checks

• Message number: 029

• Message text: You cannot change the level number

What causes this issue?

The data type has versions - higher versions must remain compatible
with lower versions.

System Response

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

How to fix this error?

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 CME_DTYPE029 - You cannot change the level number ?

  The SAP error message CME_DTYPE029, which states "You cannot change the level number," typically occurs in the context of data management or configuration within SAP, particularly when dealing with hierarchical data structures or master data.
  Cause:
  This error usually arises when you attempt to change the level number of a hierarchy node or a similar structure that is not allowed. The level number is often tied to the position of the node within a hierarchy, and changing it could disrupt the integrity of the data structure. Common scenarios that might trigger this error include:
  
  Attempting to change a node's level: You may be trying to move a node to a different level in the hierarchy, which is not permitted.
  Data integrity constraints: The system has built-in checks to maintain the integrity of hierarchical data, and changing the level number could violate these constraints.
  Locked or restricted data: The data you are trying to modify may be locked or restricted due to user permissions or system settings.
  
  Solution:
  To resolve the CME_DTYPE029 error, consider the following steps:
  
  
  Review Hierarchy Structure: Check the current hierarchy structure to ensure that you are not attempting to make an invalid change. Understand the relationships and levels of the nodes involved.
  
  
  Use Correct Procedures: If you need to change the hierarchy, use the appropriate procedures or transactions designed for modifying hierarchical data. This may involve creating new nodes or moving nodes within the allowed parameters.
  
  
  Check Permissions: Ensure that you have the necessary permissions to make changes to the hierarchy. If you lack the required authorization, contact your system administrator.
  
  
  Consult Documentation: Refer to SAP documentation or help resources specific to the module you are working with. There may be specific guidelines or restrictions related to the hierarchy you are dealing with.
  
  
  Contact Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support or your internal IT support team for further assistance.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  Transaction Codes: Familiarize yourself with the transaction codes related to the hierarchy you are working with (e.g., transaction codes for master data management).
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  
  By following these steps, you should be able to identify the cause of the error and take appropriate action to resolve it.