How To Fix SDME_DDT322 - The unique key is missing

SAP Error Message - Details

• Message type: E = Error

• Message class: SDME_DDT - DME: Dialog Design Tool Messages

• Message number: 322

• Message text: The unique key is missing

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_DDT322 - The unique key is missing ?

  The SAP error message SDME_DDT322, which states "The unique key is missing," typically occurs in the context of SAP's Data Migration or Data Transfer processes, particularly when dealing with master data or transactional data in the Sales and Distribution (SD) module. This error indicates that a required unique key, which is necessary for identifying a record, is not present in the data being processed.
  Causes:
  
  Missing Key Fields: The data being uploaded or processed is missing one or more key fields that are required to uniquely identify a record in the database.
  Incorrect Data Mapping: The mapping of fields from the source data to the target SAP fields may be incorrect, leading to missing keys.
  Data Integrity Issues: The source data may have integrity issues, such as duplicates or missing entries that are supposed to be unique.
  Configuration Issues: There may be configuration settings in the SAP system that require certain fields to be populated, which are not being filled in the data.
  
  Solutions:
  
  Check Data Source: Review the source data to ensure that all required key fields are populated. This may involve checking for missing values or duplicates.
  Validate Data Mapping: Ensure that the mapping of fields from the source to the target in the SAP system is correct. Make sure that all required fields are included in the mapping.
  Review Configuration: Check the configuration settings in SAP to understand which fields are required for the specific transaction or data upload process. Adjust the data accordingly.
  Use Data Validation Tools: Utilize SAP's data validation tools or transaction codes (like LSMW, BAPIs, or IDocs) to validate the data before processing it.
  Consult Documentation: Refer to SAP documentation or help resources for specific requirements related to the data you are trying to upload or process.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as LSMW (Legacy System Migration Workbench), which is often used for data migration.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Community Forums: Engage with SAP community forums or support channels for additional insights and solutions from other users who may have encountered the same issue.
  
  If the problem persists after trying the above solutions, it may be beneficial to involve your SAP support team or consult with an SAP expert for further assistance.