Second crash tonight. Original UI, Win10/64.

core.kinematics.AtomTree: [ ERROR ] No proper DoF can be found for these four atoms: 212-1, 212-2, 212-3, 213-1!
core.kinematics.AtomTree: [ ERROR ] No proper DoF can be found for these four atoms: 212-2, 212-3, 213-1, 213-2!
core.kinematics.AtomTree: [ ERROR ] No proper DoF can be found for these four atoms: 212-3, 213-1, 213-2, 213-3!
core.kinematics.AtomTree: [ ERROR ] No proper DoF can be found for these four atoms: 220-1, 220-2, 220-3, 221-1!
core.kinematics.AtomTree: [ ERROR ] No proper DoF can be found for these four atoms: 220-2, 220-3, 221-1, 221-2!
core.kinematics.AtomTree: [ ERROR ] No proper DoF can be found for these four atoms: 220-3, 221-1, 221-2, 221-3!

UNHANDLED EXCEPTION
1: RaiseException +98 bytes (no line)
2: alIsAuxiliaryEffectSlot +603490 bytes (no line)
3: alIsAuxiliaryEffectSlot +488837 bytes (no line)
4: alIsAuxiliaryEffectSlot +481468 bytes (no line)
5: library_main +7655517 bytes (no line)
6: library_main +34548826 bytes (no line)
7: library_main +34560090 bytes (no line)
8: library_main +31625622 bytes (no line)
9: library_main +31624719 bytes (no line)
10: library_main +5912680 bytes (no line)
11: library_main +5488976 bytes (no line)
12: library_main +5909420 bytes (no line)
13: library_main +370360 bytes (no line)
14: library_main +3409717 bytes (no line)
15: library_main +3410155 bytes (no line)
16: BaseThreadInitThunk +36 bytes (no line)
17: RtlGetAppContainerNamedObjectPath +311 bytes (no line)
18: RtlGetAppContainerNamedObjectPath +263 bytes (no line)
IRC::run error, code = 5, desc = Remote connection closed
Exiting IRC::run
SRVR_THRD getting notifications...