How To Fix OO058 - Label &1 is reserved

SAP Error Message - Details

• Message type: E = Error

• Message class: OO - Class Builder/API

• Message number: 058

• Message text: Label &1 is reserved

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message OO058 - Label &1 is reserved ?

  The SAP error message OO058, which states "Label &1 is reserved," typically occurs in the context of SAP's Object Oriented programming or when dealing with labels in various SAP modules. This error indicates that the label you are trying to use is already reserved for a specific purpose or is being used by another object.
  Cause:
  
  Reserved Labels: The label you are trying to use is predefined or reserved by the SAP system for internal use or for specific functionalities.
  Duplicate Usage: The label may have been defined elsewhere in your code or in another object, leading to a conflict.
  Namespace Issues: If you are working in a custom namespace, there may be conflicts with standard SAP labels.
  
  Solution:
  
  Change the Label: The simplest solution is to rename the label you are trying to use. Choose a unique name that does not conflict with reserved labels.
  Check for Existing Definitions: Search your codebase to see if the label is already defined elsewhere. If it is, consider using that existing label instead of creating a new one.
  Consult Documentation: Refer to SAP documentation or the ABAP development guidelines to understand which labels are reserved and avoid using them.
  Namespace Management: If you are working in a custom namespace, ensure that your labels do not conflict with standard SAP labels. Use a prefix or suffix to differentiate your labels.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific guidance or updates related to this error message.
  ABAP Development Guidelines: Familiarize yourself with the best practices for naming conventions in ABAP to avoid such conflicts in the future.
  SAP Community: Engage with the SAP Community forums to see if others have encountered the same issue and what solutions they have found.
  
  By following these steps, you should be able to resolve the OO058 error and continue with your development work in SAP.