I know about the item #16, but my PXF has positive values for 2106. example below. Any other ways to reattach or redraw the supports and misc attachements using tools. Manually redrawing allows resolves.
2100 AT_SUPPORT_DUMMY
2101 BASE
2105 4
2106 3
2023 0.000
2050 01CA01C
2053 TEST-2
2054 SUPEB-6
2055 DUMMY LEG SUPPORT
2056 SUPPORT
J