How To Fix NAA655 - Object usage &1 is not allowed (invalid character)

SAP Error Message - Details

• Message type: E = Error

• Message class: NAA - Subsequent settlement (Purchasing)

• Message number: 655

• Message text: Object usage &1 is not allowed (invalid character)

What causes this issue?

The object usage &V1& is not allowed. Only capital letters and digits
(except 0) are allowed.

System Response

Processing is not possible.

How to fix this error?

Please correct the value.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message NAA655 - Object usage &1 is not allowed (invalid character) ?

  The SAP error message NAA655, which states "Object usage &1 is not allowed (invalid character)," typically occurs when there is an issue with the naming conventions or characters used in the object name within the SAP system. This error can arise in various contexts, such as when creating or modifying objects like tables, views, or other database entities.
  Cause:
  
  Invalid Characters: The object name may contain characters that are not allowed by SAP naming conventions. For example, special characters, spaces, or starting with a number can trigger this error.
  Incorrect Object Type: The object type being used may not be compatible with the specified usage.
  Naming Convention Violations: SAP has specific rules regarding the length and format of object names. For instance, object names typically must start with a letter and can only contain alphanumeric characters and underscores.
  
  Solution:
  
  
  Check Object Name: Review the object name for any invalid characters. Ensure that it adheres to SAP's naming conventions:
  
  Start with a letter.
  Use only alphanumeric characters and underscores.
  Avoid special characters and spaces.
  Ensure the name is within the allowed length (usually up to 30 characters).
  
  
  
  Rename the Object: If the object name is invalid, rename it to comply with the naming conventions. You can do this in the relevant transaction (e.g., SE11 for database tables, SE80 for development objects).
  
  
  Review Object Usage: Ensure that the object is being used in a context that is allowed. For example, if you are trying to use a table in a way that is not supported, you may need to adjust your approach.
  
  
  Consult Documentation: Refer to SAP documentation or the specific module's guidelines for any additional naming rules or restrictions that may apply.
  
  
  Check for System-Specific Restrictions: Sometimes, specific SAP systems or versions may have additional restrictions. Consult with your SAP Basis team or refer to system notes for any known issues.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any updates or patches related to this error message.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  Transaction Codes: Familiarize yourself with relevant transaction codes (e.g., SE11, SE80) for managing and creating objects in SAP.
  
  By following these steps, you should be able to resolve the NAA655 error and ensure that your object names comply with SAP's requirements.