Just search the source code for where "This cannot be used at this zone." appears in the server so you can find out what is preventing it.
It is possible that there is also a limitation on the client side though.
The "range" value in the skills stb appears to be a planet number so chances are you won't be able to use it unless that number matches the planet you are currently on. This will likely be a client side limitation that will prevent a packet even being sent to the server.
All interplanetary warping is done by QSD scripts as far as I can tell.
Not really sure how you would go about accessing a QSD from a scroll.
The following suggestion should work but it would be a pain in the ass to make it
Possibly you might be able to make a new version of the scroll that would activate a skill that summons a custom monster in the form of a portal that will use a custom AI to call a custom QSD which will warp you wherever you want to go.
Lots of custom files to make.
Need to lookup information on NARose items, skills, quests?
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