How To Fix ESH_OM_OBJ_MODEL_REP398 - Field &1 contains forbidden characters

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_OM_OBJ_MODEL_REP - Object Model Repository

• Message number: 398

• Message text: Field &1 contains forbidden characters

What causes this issue?

Node name field &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.

# #&WHAT_TO_DO&
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_REP398 - Field &1 contains forbidden characters ?

  The SAP error message ESH_OM_OBJ_MODEL_REP398 indicates that a specific field contains forbidden characters. This error typically arises in the context of the SAP Enterprise Search or the SAP Information Retrieval framework, where certain characters are not allowed in specific fields due to system constraints or data integrity rules.
  Cause:
  The error is triggered when a user attempts to input or process data that includes characters that are not permitted in the specified field. Common forbidden characters may include:
  
  Special characters (e.g., !, @, #, $, %, ^, &, *, (, ), etc.)
  Control characters (non-printable characters)
  Certain punctuation marks
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Identify the Field: Determine which field is causing the error. The error message should specify the field name (represented by &1 in the message).
  
  
  Check Input Data: Review the data being entered into the field. Look for any special characters or forbidden characters that may be present.
  
  
  Clean the Data: Remove or replace any forbidden characters from the input data. Ensure that the data conforms to the allowed character set for that field.
  
  
  Validation: Implement validation checks in your application or data entry process to prevent users from entering forbidden characters in the future.
  
  
  Consult Documentation: Refer to SAP documentation or configuration settings related to the specific module or application you are working with to understand the allowed character set for the field in question.
  
  
  Testing: After making the necessary changes, test the input again to ensure that the error no longer occurs.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or updates related to this error message. SAP frequently releases notes that provide solutions or workarounds for specific error messages.
  Field Specifications: Review the technical specifications for the field in question to understand its constraints and requirements.
  User Training: If this error is common among users, consider providing training or guidelines on acceptable input formats to minimize future occurrences.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or reach out to SAP support for further assistance.