How To Fix WXP305 - Characteristic name "&1" is within the SAP name range

SAP Error Message - Details

• Message type: E = Error

• Message class: WXP - Retail Planning

• Message number: 305

• Message text: Characteristic name "&1" is within the SAP name range

What causes this issue?

You have included characteristic &V1& in your info structure. The field
name which you have chosen is not, however, in the SAP name range.
Customer-specific database fields are to start with "YY" or "ZZ".

System Response

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

INCLUDE ISR_VERARBEITUNG OBJECT DOKU ID TX

How to fix this error?

Rename the characteristic.

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 WXP305 - Characteristic name "&1" is within the SAP name range ?

  SAP Error Message:
  
  WXP305 - Characteristic name "&1" is within the SAP name range.
  
  Cause
  This warning message occurs when you try to create or use a characteristic whose name falls within the reserved SAP name range. SAP reserves certain naming conventions or ranges for its own internal use to avoid conflicts between customer-defined objects and SAP-delivered objects.
  Typically, SAP characteristic names that start with certain prefixes or fall within specific ranges are reserved. For example, SAP often reserves characteristic names starting with "Z", "Y" are customer namespaces, but some other prefixes or specific ranges are reserved for SAP internal use.
  If you attempt to create a characteristic with a name that SAP considers reserved or within its own namespace, the system issues this warning to prevent potential conflicts.
  
  Solution
  
  
  Rename the Characteristic:
  
  Change the characteristic name so that it does not fall within the SAP reserved name range. Use customer namespaces such as starting with "Z" or "Y" (which are typically reserved for customer objects).
  
  
  Check Naming Conventions:
  
  Follow SAP naming conventions for custom characteristics:
  
  Use "Z" or "Y" as the first character for custom objects.
  Avoid names starting with SAP reserved prefixes or ranges.
  
  
  
  Verify with SAP Documentation:
  
  Consult SAP documentation or your system administrator to confirm which name ranges are reserved in your system.
  
  
  
  Related Information
  
  
  SAP Naming Conventions:
  
  SAP recommends that all customer-defined objects (including characteristics, tables, programs, etc.) start with "Z" or "Y" to avoid conflicts with SAP-delivered objects.
  
  
  Transaction Codes:  
  
  Use transaction CT04 to create or change characteristics.
  Use transaction SE11 or SE80 to check existing objects and their naming.
  
  
  
  SAP Notes:
  
  Check SAP Notes related to naming conventions and reserved namespaces if you encounter persistent issues.
  
  
  Impact:
  
  Although WXP305 is a warning (not an error), ignoring it may lead to conflicts during upgrades or support package implementations, as SAP objects might overwrite or conflict with your custom objects.
  
  
  
  Summary
  
  
  
  Aspect
  Details
  
  
  
  
  Cause
  Characteristic name is within SAP reserved name range, potentially conflicting with SAP objects.
  
  
  Solution
  Rename characteristic to use customer namespace (e.g., starting with "Z" or "Y").
  
  
  Notes
  Follow SAP naming conventions to avoid conflicts; WXP305 is a warning, not an error.
  
  
  
  
  If you provide the exact characteristic name, I can help verify if it falls into a reserved range or suggest an appropriate alternative name.