Invalid startup file

[rhinoella]

The file:

https://github.com/disorderedmaterials/Gudrun/blob/961c66c96e7ad61fe1fc3c453b08e19bc96989c4/StartupFiles/NIMROD/NIMROD%2084modules%2B9monitor%2BLAB.nexus_txt

Is a duplicate of:
https://github.com/disorderedmaterials/Gudrun/blob/961c66c96e7ad61fe1fc3c453b08e19bc96989c4/StartupFiles/NIMROD/NIMROD84modules%2B9monitors%2BLAB.nexus_txt

But with a space in its filename, which causes the program to behave unexpectedly if it is used.