How To Fix /SAPAPO/DMRES055 - An entry with the same key exists already

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/DMRES -

• Message number: 055

• Message text: An entry with the same key exists already

Self-Explanatory Message

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To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/DMRES055 - An entry with the same key exists already ?

  The SAP error message /SAPAPO/DMRES055 indicates that there is an attempt to create or update a resource in the SAP Advanced Planning and Optimization (APO) system, but an entry with the same key already exists in the database. This typically occurs during data uploads, resource creation, or when trying to save changes to existing resources.
  Cause:
  
  Duplicate Key: The most common cause is that the resource you are trying to create or update has a key (like a resource ID) that already exists in the system.
  Data Upload Issues: If you are uploading data from an external source (like a file or another system), there may be duplicates in the data being uploaded.
  Incorrect Configuration: There may be issues with the configuration of the resource master data, leading to conflicts.
  Concurrency Issues: If multiple users or processes are trying to create or update the same resource simultaneously, it can lead to this error.
  
  Solution:
  
  
  Check for Existing Entries: Before creating a new resource, check the existing resources in the system to ensure that the key you are trying to use does not already exist.
  
  Use transaction codes like /SAPAPO/RRP3 or /SAPAPO/RES01 to view existing resources.
  
  
  
  Modify Existing Entry: If the resource already exists and you need to make changes, consider updating the existing entry instead of creating a new one.
  
  
  Data Cleansing: If you are uploading data, ensure that the data source does not contain duplicates. Clean the data before uploading it to the system.
  
  
  Error Handling in Upload Programs: If you are using custom upload programs or interfaces, implement error handling to check for existing keys before attempting to create new entries.
  
  
  Consult Documentation: Review the SAP documentation or help files related to resource management in APO for any specific guidelines or best practices.
  
  
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes for resource management in APO, such as /SAPAPO/RES01 (Resource Master Data) and /SAPAPO/RRP3 (Resource Planning).
  SAP Notes: Check for any SAP Notes related to this error message, as they may provide additional insights or patches that address known issues.
  System Logs: Review system logs for any additional error messages or warnings that may provide context for the issue.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.