You've either not activated/patched the map and navcore with FastActivate or you're trying to use a map we (and therefore F/A) doesn't have

We currently ONLY have metas for 3 v950 maps:-

United_Kingdom_and_Republic_of_Ireland 950_6492
United_Kingdom_and_Republic_of_Ireland 950_6544
United_Kingdom_and_Republic_of_Ireland 950_6558