How To Fix SDME_CON009 - The specified key already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: SDME_CON - General Table Control Messages

• Message number: 009

• Message text: The specified key already exists

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message SDME_CON009 - The specified key already exists ?

  The SAP error message SDME_CON009: The specified key already exists typically occurs in the context of the SAP Sales and Distribution (SD) module, particularly when dealing with master data or configuration settings. This error indicates that there is an attempt to create or update an entry in the database that conflicts with an existing entry, meaning that the key (such as a customer number, material number, or other unique identifier) you are trying to use is already in use.
  Causes:
  
  Duplicate Entries: The most common cause is that the key you are trying to create already exists in the database. This could happen if you are trying to create a new customer, material, or other master data that has the same identifier as an existing one.
  Data Migration Issues: If you are migrating data from another system or performing a bulk upload, there may be duplicates in the data being imported.
  Configuration Errors: Sometimes, configuration settings may inadvertently lead to attempts to create duplicate keys.
  User Error: A user may mistakenly try to create an entry that they believe is new but is actually a duplicate of an existing entry.
  
  Solutions:
  
  Check for Existing Entries: Before creating a new entry, check the database to see if the key already exists. You can do this by using transaction codes like SE16 or SE11 to view the relevant tables.
  Modify the Key: If you find that the key already exists, consider using a different key or modifying the existing entry instead of creating a new one.
  Data Cleansing: If you are migrating data, ensure that your data is cleansed and that there are no duplicates before performing the migration.
  Error Handling in Uploads: If you are using a data upload tool (like LSMW or BAPIs), ensure that you have proper error handling in place to catch and manage duplicates.
  Consult Documentation: Review SAP documentation or consult with your SAP support team for specific guidance related to the context in which the error occurs.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE16 (Data Browser), SE11 (Data Dictionary), and SM37 (Job Monitoring) to help diagnose the issue.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for the error message or related keywords in the SAP Support Portal.
  User Roles and Authorizations: Ensure that the user attempting to create or modify the entry has the necessary authorizations to perform the action.
  
  If the issue persists after trying the above solutions, it may be beneficial to engage with your SAP support team or consult with an SAP expert for further assistance.