How To Fix COM_ALTER_IDENT102 - Enter a unique ID

SAP Error Message - Details

• Message type: E = Error

• Message class: COM_ALTER_IDENT - Messages for Alternative Identifiers

• Message number: 102

• Message text: Enter a unique ID

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message COM_ALTER_IDENT102 - Enter a unique ID ?

  The SAP error message COM_ALTER_IDENT102: Enter a unique ID typically occurs in the context of managing identification numbers or unique identifiers within the SAP system, particularly in modules related to master data management or configuration settings.
  Cause:
  This error message is triggered when the system expects a unique identifier (ID) to be entered, but the ID provided is either:
  
  Not unique (i.e., it already exists in the system).
  Missing or not provided at all.
  
  This can happen in various scenarios, such as:
  
  Creating or modifying master data records (e.g., customers, vendors, materials).
  Configuring settings where unique identifiers are required.
  
  Solution:
  To resolve the COM_ALTER_IDENT102 error, you can follow these steps:
  
  
  Check Existing IDs: Verify if the ID you are trying to enter already exists in the system. You can do this by searching for the ID in the relevant master data tables or using transaction codes that allow you to view existing records.
  
  
  Enter a Unique ID: If the ID is already in use, you will need to enter a different, unique ID that does not conflict with existing entries. Ensure that the new ID adheres to any formatting or length requirements specified by the system.
  
  
  Review Configuration Settings: If you are working in a configuration area, ensure that the settings allow for the creation of new IDs and that there are no restrictions or validation rules that might be causing the issue.
  
  
  Consult Documentation: If you are unsure about the requirements for unique IDs in your specific context, refer to the SAP documentation or help files related to the module you are working in.
  
  
  Check User Authorizations: Ensure that you have the necessary authorizations to create or modify records in the system. Lack of proper permissions can sometimes lead to unexpected errors.
  
  
  Contact Support: If the issue persists after trying the above steps, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help you view or manage IDs, such as SE11 (Data Dictionary), SE16 (Data Browser), or specific transaction codes for the module you are working in.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP Notes can provide insights into similar issues faced by other users and potential fixes.
  User Forums: Engage with SAP community forums or user groups where you can ask questions and share experiences with other SAP users who may have encountered the same error.
  
  By following these steps, you should be able to resolve the COM_ALTER_IDENT102 error and successfully enter a unique ID in the SAP system.