How To Fix EJ100 - A value appears double in field &1

SAP Error Message - Details

• Message type: E = Error

• Message class: EJ - Formal error for ISU-IDocs

• Message number: 100

• Message text: A value appears double in field &1

What causes this issue?

A value in the field or the field sequence &V1& comes up twice in a
segment sequence. The existence of double values is an error.
The system has recognized the IDoc as incorrect and can not perform the
requested processing.

How to fix this error?

Check the current field value of the field. Determine which program
created the incorrect IDoc segment. Generally, IDocs are created from
external programs.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EJ100 - A value appears double in field &1 ?

  The SAP error message EJ100, which states "A value appears double in field &1," typically indicates that there is a duplicate entry in a field that is expected to have unique values. This error often occurs in the context of data entry or data processing within SAP, particularly in modules related to finance, logistics, or master data management.
  Cause:
  
  Duplicate Entries: The most common cause is that the same value has been entered more than once in a field that requires unique values. This could happen during data entry or when importing data from external sources.
  Configuration Issues: Sometimes, the configuration of the system may allow for duplicates in a field that should be unique, leading to this error.
  Data Migration: If data has been migrated from another system, it may contain duplicates that were not identified before the migration.
  User Error: Users may inadvertently enter the same value multiple times, especially in bulk data entry scenarios.
  
  Solution:
  
  Identify Duplicates: Use transaction codes like SE16 or SE11 to check the relevant database table for duplicate entries. You can run queries to find duplicates based on the field specified in the error message.
  Correct Data: Once duplicates are identified, you can either delete or modify the duplicate entries to ensure that each value in the field is unique.
  Review Configuration: Check the configuration settings for the relevant module to ensure that the field is set up correctly to enforce uniqueness.
  Data Validation: Implement data validation checks during data entry or data import processes to prevent duplicates from being created in the first place.
  Consult Documentation: Review SAP documentation or consult with your SAP support team for specific guidance related to the module you are working with.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE16 (Data Browser), SE11 (Data Dictionary), and others that can help you analyze and manage data.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP Notes can provide additional context or solutions that are specific to your version of SAP.
  User Training: Ensure that users are trained on proper data entry procedures to minimize the risk of duplicate entries in the future.
  
  By following these steps, you should be able to resolve the EJ100 error and prevent it from occurring again in the future.