How To Fix /UI2/NAVIGATION001 - The field &1 must not be initial

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI2/NAVIGATION -

• Message number: 001

• Message text: The field &1 must not be initial

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 /UI2/NAVIGATION001 - The field &1 must not be initial ?

  The SAP error message /UI2/NAVIGATION001 The field &1 must not be initial typically occurs in the context of SAP Fiori applications or when using the SAP UI5 framework. This error indicates that a required field (represented by &1) is empty or not filled in when the system expects it to have a value.
  Cause:
  
  Missing Required Input: The most common cause is that a mandatory field in a form or input screen has not been filled out by the user.
  Data Binding Issues: There may be issues with data binding in the UI5 application, where the field is not correctly bound to the model.
  Configuration Issues: The application might be misconfigured, leading to the system expecting a value that is not being provided.
  User Authorization: Sometimes, the user may not have the necessary authorizations to access or fill in certain fields.
  
  Solution:
  
  Check Required Fields: Review the form or input screen where the error occurred and ensure that all required fields are filled in. Look for any fields marked with an asterisk (*) or similar indicators.
  Debugging: If you have access to the development tools, you can debug the application to see where the error is being triggered. This can help identify if the issue is with data binding or configuration.
  Review Application Configuration: Check the configuration of the Fiori application in the SAP backend to ensure that all required fields are correctly defined and that there are no discrepancies.
  User Authorization: Ensure that the user has the necessary authorizations to access and fill in the required fields. This may involve checking roles and permissions in the SAP system.
  Consult Documentation: Refer to the SAP documentation or help resources for the specific application you are using to understand the required fields and their expected values.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  SAP Community: The SAP Community forums can be a valuable resource for finding similar issues faced by other users and the solutions they found.
  Fiori Design Guidelines: Familiarize yourself with the Fiori design guidelines, which outline best practices for UI design and user input requirements.
  
  If the issue persists after trying the above solutions, it may be necessary to involve your SAP support team or consult with a technical expert who can provide deeper insights into the specific application and its configuration.