How To Fix FSH_MAIN316 - Duplicates detected in input structure for insertions.

SAP Error Message - Details

• Message type: E = Error

• Message class: FSH_MAIN - Message Class for Article Master Data

• Message number: 316

• Message text: Duplicates detected in input structure for insertions.

What causes this issue?

Characteristic &v1&, Characteristic Value &v2&, Conversion Type &v3&
maintained multiple times in the input structure for insertions.

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?

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 FSH_MAIN316 - Duplicates detected in input structure for insertions. ?

  The SAP error message FSH_MAIN316 indicates that there are duplicate entries in the input structure when trying to perform insertions. This error typically occurs in the context of data uploads or data processing where unique constraints are enforced.
  Cause:
  
  Duplicate Data: The most common cause is that the data being uploaded or processed contains duplicate records that violate the uniqueness constraints defined in the target database table.
  Incorrect Mapping: If the mapping of fields from the source to the target is incorrect, it may lead to unintended duplicates.
  Data Preparation Issues: The data might not have been properly cleaned or deduplicated before the upload process.
  Concurrency Issues: If multiple processes are trying to insert the same data simultaneously, it can lead to duplicates.
  
  Solution:
  
  Identify Duplicates: Before performing the insertion, check the input data for duplicates. You can use tools like Excel or SQL queries to identify duplicate records based on the unique key fields.
  Data Cleansing: Remove or consolidate duplicate records in the input data. Ensure that each record is unique according to the constraints of the target table.
  Review Mapping: Ensure that the mapping of fields from the source to the target is correct and that it aligns with the unique constraints of the target table.
  Use of Staging Tables: If applicable, consider using a staging table to first load the data and then perform deduplication before moving it to the final target table.
  Error Handling: Implement error handling in your data processing logic to catch and log duplicates, allowing for easier troubleshooting.
  Consult Documentation: Review SAP documentation or notes related to the specific transaction or process you are using to see if there are any additional recommendations or known issues.
  
  Related Information:
  
  Unique Constraints: Understand the unique constraints defined in the target table. This will help you identify which fields must be unique and how to structure your data accordingly.
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message FSH_MAIN316.
  Transaction Codes: Familiarize yourself with the transaction codes involved in the data upload process (e.g., LSMW, BAPIs, etc.) to better understand where the error might be occurring.
  Data Validation: Implement data validation checks before the upload process to catch potential duplicates early.
  
  By addressing the root cause of the duplicates and ensuring that your data is clean and properly structured, you should be able to resolve the FSH_MAIN316 error and successfully perform the insertions.