Unintended error when creating a change through the gui without rem url

[m-linner-ericsson]

Description

Steps to reproduce:

• Enable the Eiffel plugin
• Remove all REMRem information
• Try to create a change via the GUI

Motivation

The 500 server error that is shown to the user is not very helpful

Exemplification

Benefits

The usability will improve

Possible Drawbacks