How To Fix G3381 - Prefix '&1' contains invalid characters (please correct)

SAP Error Message - Details

• Message type: E = Error

• Message class: G3 - Messages for SAP Consolidation: Integration

• Message number: 381

• Message text: Prefix '&1' contains invalid characters (please correct)

What causes this issue?

The prefix '&V1&' contains one or more characters which may not be used
to identify a consolidation unit or a consolidation group. The
following characters are allowed: '&V2&' (capital and lower case
letters), digits '0' through '9', and the special characters '&V3&'.

System Response

Cannot save your settings

How to fix this error?

Use only valid characters for the prefix.

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 G3381 - Prefix '&1' contains invalid characters (please correct) ?

  The SAP error message G3381 indicates that a prefix you are trying to use contains invalid characters. This error typically occurs in various contexts within SAP, such as when defining naming conventions for objects like tables, fields, or other database elements.
  Cause:
  The error is triggered when the prefix you are trying to use does not conform to the naming conventions set by SAP. Common reasons for this error include:
  
  The prefix contains special characters (e.g., spaces, punctuation, etc.) that are not allowed.
  The prefix starts with a number or is entirely numeric.
  The prefix is too long or too short, violating the length restrictions.
  The prefix is not unique or conflicts with existing prefixes in the system.
  
  Solution:
  To resolve the G3381 error, you should:
  
  
  Check Naming Conventions: Ensure that the prefix adheres to SAP's naming conventions. Typically, valid prefixes should:
  
  Start with a letter (A-Z, a-z).
  Contain only alphanumeric characters (A-Z, a-z, 0-9) and underscores (_).
  Be of an appropriate length (usually between 1 and 30 characters, depending on the context).
  
  
  
  Modify the Prefix: If the prefix you are using contains invalid characters, modify it to remove or replace those characters. For example:
  
  Change my-prefix! to my_prefix or myprefix.
  Ensure it starts with a letter and does not contain spaces or special characters.
  
  
  
  Check for Uniqueness: Make sure that the prefix you are trying to use is unique and does not conflict with existing prefixes in the system.
  
  
  Test Changes: After making the necessary changes, try to save or execute the operation again to see if the error persists.
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for specific naming conventions related to the type of object you are working with (e.g., ABAP programs, database tables, etc.).
  SAP Community: You can also check forums and community discussions for similar issues and solutions shared by other SAP users.
  Transaction Codes: If you are working within a specific transaction, ensure you are familiar with the relevant transaction codes and their requirements.
  
  By following these steps, you should be able to resolve the G3381 error and successfully use the desired prefix in your SAP environment.