HOW COME: Associate Incidents to Problem doesnt see my requests generated by "Service catalog"

HOW COME: Associate Incidents to Problem doesnt see my requests generated by "Service catalog"

I'm trying to associate an incident with a problem. 
But how come I only see the request that were created trough "requests/new incident" and not those that were created trough "service catalog"?
I don't have this problem if I try to associate a problem with "changes" only if I try to associate it with a problem.
So why is that and how can I resolve this matter?

Thanks in advance

zztemp

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