How To Fix 1X102 - Enter an external key

SAP Error Message - Details

• Message type: E = Error

• Message class: 1X - General hierarchy maintenance tool message

• Message number: 102

• Message text: Enter an external key

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 1X102 - Enter an external key ?

  The SAP error message "1X102 Enter an external key" typically occurs when a user is trying to perform an action that requires an external key (such as a reference number or identifier) but has not provided one. This error can arise in various contexts, such as during data entry, when processing transactions, or when integrating with external systems.
  Cause:
  
  Missing External Key: The most common cause is that the user has not entered an external key in the required field.
  Incorrect Configuration: The system may be configured in a way that requires an external key for certain transactions, and the necessary settings may not be properly defined.
  Data Entry Error: Users may overlook the field or mistakenly believe that the external key is optional.
  Integration Issues: If the error occurs during data import or integration with another system, it may indicate that the external key is not being passed correctly.
  
  Solution:
  
  Enter the External Key: The simplest solution is to ensure that the external key is entered in the appropriate field. Check the documentation or guidelines for the specific transaction to understand what is required.
  Check Configuration: If you are an administrator, review the configuration settings related to the transaction or process to ensure that the external key requirement is correctly set up.
  Validation: Ensure that the external key being entered is valid and corresponds to the expected format or criteria.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the transaction or process you are working with.
  Contact Support: If the issue persists and you cannot determine the cause, consider reaching out to your SAP support team or consulting with SAP support for further assistance.
  
  Related Information:
  
  Transaction Codes: The error may occur in various transaction codes, so knowing the specific transaction can help in troubleshooting.
  User Roles: Ensure that the user has the necessary permissions to enter the external key.
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message.
  Testing: If possible, test the process in a development or sandbox environment to replicate the issue and identify the cause without affecting production data.
  
  By following these steps, you should be able to resolve the "1X102 Enter an external key" error in SAP.