autouv,2 {badmatch,undefined}

[Hank]

Hello,

During work with UV map [MMB -> re-segment objects] for one of my projects I got:

Dump written 2018-12-12_18-46
Version: 2.2.1
OS: Linux 4.15.0-20-generic x86_64
GPU: NVIDIA Corporation | GeForce GTX 650 Ti/PCIe/SSE2
Window: {autouv,2}
Reason: {badmatch,undefined}

Stack trace:
[{wings_draw,edges_f32,4,[{file,"wings_draw.erl"},{line,417}]},
{wings_draw,update_sel,1,[{file,"wings_draw.erl"},{line,474}]},
{wings_dl,map_1,5,[{file,"wings_dl.erl"},{line,294}]},
{wings_draw,refresh_dlists,1,[{file,"wings_draw.erl"},{line,58}]},
{wpc_autouv,get_event,1,[{file,"wpc_autouv.erl"},{line,510}]},
{wings_wm,handle_event,3,[{file,"wings_wm.erl"},{line,981}]},
{wings_wm,send_event,2,[{file,"wings_wm.erl"},{line,948}]},
{wings_wm,do_dispatch,2,[{file,"wings_wm.erl"},{line,849}]},
{wings_wm,dispatch_event,1,[{file,"wings_wm.erl"},{line,758}]},
{wings_wm,get_and_dispatch,0,[{file,"wings_wm.erl"},{line,657}]},
{wings,init_part2,2,[{file,"wings.erl"},{line,106}]},
{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,247}]}]

BR, Hank