Provide proper error message handling for the technicalUserManagement Page

[MaximilianHauer]

Description

As a User
WHEN i receive an error message in the technicalUserManagement page
THEN i should receive a clear and understandable error messages that provides me guidance

Examples

• Deletion of a technical user that is still pending
• Delete a user with an active connector/subscription

Acceptance Criteria

• When an error occurs in the backend, the frontend should display the error message provided by the backend.
• The error message should be displayed in a prominent and accessible location on the user interface, such as a dedicated error section or a modal/popup.
• The error message should be clear, concise, and easy to understand for the user.

[manojava-gk]

@MaximilianHauer can you provide a screenshot for this? Front end is showing the error message from the server as provided by the BE team.

error?.errors?.[
          'Org.Eclipse.TractusX.Portal.Backend.Administration.Service'
        ]?.[0]

@Phil91 can you check this once? FE code is 13 months old

[MaximilianHauer]

i did create the ticket before i had a discussion with @oyo that we should work on an a generic error handling forwarding the error message from the backend into the frontend. created a ticket for this.

if you can quick fix it i propose to do the ticket if you say it is not worth it we close it.

error response:

[manojava-gk]

@MaximilianHauer I have already addressed it. @Phil91 gave this updated response. it is available in the PR

[MaximilianHauer]

@manojava-gk if i try to delete a tec user that has an active connector i receive an error message in the console but no where in the frontend :O nothing happens.