How To Fix ESH_OM_OBJ_MODEL_REP287 - Relation ID &1 contains characters that are not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_OM_OBJ_MODEL_REP - Object Model Repository

• Message number: 287

• Message text: Relation ID &1 contains characters that are not allowed

What causes this issue?

Relation ID <(>&<)>v1& contains forbidden characters.

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?

Only the following characters are allowed:
ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789.-_/\!" $%&()*:;<=>?@[]^/={}|~+`???
<(>,<)>

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 ESH_OM_OBJ_MODEL_REP287 - Relation ID &1 contains characters that are not allowed ?

  The SAP error message ESH_OM_OBJ_MODEL_REP287 indicates that there is an issue with a Relation ID in the context of the Enterprise Search (ESH) or Object Model. Specifically, it suggests that the Relation ID contains characters that are not allowed, which can prevent the system from processing the relation correctly.
  Cause:
  
  Invalid Characters: The Relation ID may contain special characters, spaces, or other invalid characters that are not permitted in the naming conventions of SAP.
  Data Entry Errors: The Relation ID might have been entered incorrectly, either manually or through a data import process.
  Configuration Issues: There may be a misconfiguration in the system that allows for invalid characters to be introduced into the Relation ID.
  
  Solution:
  
  Identify the Relation ID: Check the specific Relation ID mentioned in the error message (denoted by &1). This will help you locate the exact entry causing the issue.
  Review Allowed Characters: Refer to the SAP documentation or guidelines for the allowed characters in Relation IDs. Typically, these should be alphanumeric and may include underscores but exclude special characters and spaces.
  Correct the Relation ID: 
  
  If you have access to the relevant configuration or data entry screen, modify the Relation ID to remove any invalid characters.
  If the Relation ID is part of a data import, ensure that the source data is cleaned and validated before importing it into SAP.
  
  
  Test the Changes: After making the necessary corrections, test the functionality to ensure that the error no longer occurs.
  Consult SAP Notes: If the issue persists, check for any relevant SAP Notes or updates that might address this specific error or provide additional guidance.
  
  Related Information:
  
  SAP Documentation: Review the official SAP documentation for Enterprise Search and Object Model configuration to understand the naming conventions and restrictions.
  Transaction Codes: Use transaction codes like SE11 (Data Dictionary) or SE80 (Object Navigator) to investigate the data model and identify where the Relation ID is defined.
  Support: If you are unable to resolve the issue, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  By following these steps, you should be able to identify and resolve the issue related to the ESH_OM_OBJ_MODEL_REP287 error message.