This is so frustrating as GSX is supposed to simulate real life events, but it's so far from it.
What makes you think the problem is in any way related to GSX ?
- To use L2, you MUST use SODE jetways
- You are trying to add SODE jetway to a scenery that originally didn't had any
- Before thinking it's GSX might have a problem, have you been able to SUCCESSFULLY install the additional SODE jetways for that scenery ? Because, if you cannot go there first, it's useless discussing about GSX: