How To Fix COM_ALTER_IDENT202 - Automatic generation is only possible with an ID field

SAP Error Message - Details

• Message type: E = Error

• Message class: COM_ALTER_IDENT - Messages for Alternative Identifiers

• Message number: 202

• Message text: Automatic generation is only possible with an ID field

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message COM_ALTER_IDENT202 - Automatic generation is only possible with an ID field ?

  The SAP error message COM_ALTER_IDENT202 indicates that there is an issue with the automatic generation of an identifier (ID) field in a context where it is required. This error typically arises in the context of data modeling or when working with certain SAP applications that require a unique identifier for records.
  Cause:
  The error occurs when:
  
  Missing ID Field: The system expects an ID field to be present for automatic generation, but it is either missing or not defined correctly in the data model.
  Incorrect Configuration: The configuration settings for the object or data model may not be set up to allow for automatic ID generation.
  Data Model Issues: There may be issues with the underlying data model or structure that prevent the system from generating an ID.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Data Model:
  
  Ensure that the data model you are working with includes a defined ID field. This field should be marked as unique and should be capable of being automatically generated.
  
  
  
  Define ID Field:
  
  If the ID field is missing, you may need to add it to the data model. This can typically be done in the relevant configuration or modeling tool within SAP.
  
  
  
  Review Configuration Settings:
  
  Check the configuration settings for the object or data model to ensure that automatic ID generation is enabled. This may involve reviewing settings in transaction codes like SE11 (Data Dictionary) or SE80 (Object Navigator).
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources specific to the module or application you are working with. This can provide insights into the requirements for ID fields and automatic generation.
  
  
  
  Test Changes:
  
  After making the necessary changes, test the process again to see if the error persists. Ensure that the ID field is being populated correctly.
  
  
  
  Seek Support:
  
  If the issue continues, consider reaching out to your SAP support team or consulting with SAP community forums for additional assistance.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Transaction Codes: Familiarize yourself with transaction codes related to data modeling and configuration, such as SE11, SE80, and SE37 (Function Builder).
  SAP Community: Engage with the SAP Community for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.