How To Fix D0760 - Name range M_& is already reserved by a data element

SAP Error Message - Details

• Message type: E = Error

• Message class: D0 - Machine-level ABAP/4 Dictionary texts (e.g. debugging)

• Message number: 760

• Message text: Name range M_& is already reserved by a data element

What causes this issue?

You tried to create a matchcode object whose name range is already
reserved for a data element.
Tables or views whose name comprises M_ and the matchcode object name
are created for a matchcode object.
A data element with the same name already exists. Generating the
matchcode tables or matchcode views therefore would cause a multiple
definition.

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?

Choose another name.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message D0760 - Name range M_& is already reserved by a data element ?

  The SAP error message D0760, which states "Name range M_& is already reserved by a data element," typically occurs during the development of data elements or when creating new fields in the ABAP Dictionary. This error indicates that the name range you are trying to use for a new data element or field is already reserved for another data element or object in the system.
  Cause:
  
  Name Collision: The name you are trying to use for your new data element or field is already in use or reserved by another data element or object in the SAP system.
  Naming Conventions: SAP has specific naming conventions and reserved name ranges for various objects. If your chosen name falls within these reserved ranges, you will encounter this error.
  
  Solution:
  
  Choose a Different Name: The simplest solution is to select a different name for your data element or field that does not conflict with existing names. Ensure that the new name adheres to SAP's naming conventions.
  Check Existing Objects: Use transaction SE11 (Data Dictionary) to check for existing data elements or fields that may be using the name you intended to use. This can help you identify conflicts.
  Review Naming Conventions: Familiarize yourself with SAP's naming conventions and reserved name ranges to avoid future conflicts. Generally, SAP recommends using prefixes or suffixes that are unique to your development project or namespace.
  Namespace Considerations: If you are working in a specific namespace, ensure that the name you are using is unique within that namespace.
  
  Related Information:
  
  Transaction Codes: Use SE11 (Data Dictionary) to view and manage data elements, domains, and other dictionary objects.
  Documentation: Refer to SAP's official documentation for guidelines on naming conventions and reserved names.
  Development Guidelines: Follow your organization's development guidelines to ensure that naming conventions are consistently applied across projects.
  
  By addressing the naming conflict and adhering to SAP's conventions, you should be able to resolve the D0760 error and proceed with your development work.