Crash when applying SOLT UXYZ or modified UXYZ calibration

[Rodentia]

App crash on Mac and Windows when applying SOLT UXYZ or modified UXYZ calibration data.

Process: vna_qt [62307]
Path: /Applications/vna_qt.app/Contents/MacOS/vna_qt
Identifier: vna_qt
Version: 0
Code Type: X86-64 (Native)
Parent Process: ??? [1]
Responsible: vna_qt [62307]
User ID: 501

Date/Time: 2019-01-14 15:35:06.379 -0800
OS Version: Mac OS X 10.14.1 (18B2107)
Report Version: 12
Bridge OS Version: 3.1 (16P1582)
Anonymous UUID: 874C6354-2402-A038-F2C8-536EF4AFFF94

Sleep/Wake UUID: 1F95E6F7-4F14-4962-8174-6D0DD3298828

Time Awake Since Boot: 1900000 seconds
Time Since Wake: 26000 seconds

System Integrity Protection: enabled

Crashed Thread: 0 Dispatch queue: com.apple.main-thread

Exception Type: EXC_CRASH (SIGABRT)
Exception Codes: 0x0000000000000000, 0x0000000000000000
Exception Note: EXC_CORPSE_NOTIFY

Application Specific Information:
abort() called
terminating with uncaught exception of type std::runtime_error: matrix rank is not full! should be 4, is 3

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0 libsystem_kernel.dylib 0x00007fff7eeccb86 __pthread_kill + 10
1 libsystem_pthread.dylib 0x00007fff7ef82c50 pthread_kill + 285
2 libsystem_c.dylib 0x00007fff7ee361c9 abort + 127
3 libc++abi.dylib 0x00007fff7c4b8231 abort_message + 231
4 libc++abi.dylib 0x00007fff7c4b83b5 default_terminate_handler() + 241
5 libobjc.A.dylib 0x00007fff7dcc1c8f _objc_terminate() + 105
6 libc++abi.dylib 0x00007fff7c4c3dfe std::__terminate(void (*)()) + 8
7 libc++abi.dylib 0x00007fff7c4b786e __cxa_rethrow + 99
8 libobjc.A.dylib 0x00007fff7dcbfb6e objc_exception_rethrow + 40
9 com.apple.CoreFoundation 0x00007fff51baaac3 CFRunLoopRunSpecific + 618
10 com.apple.HIToolbox 0x00007fff50e43b35 RunCurrentEventLoopInMode + 293
11 com.apple.HIToolbox 0x00007fff50e43774 ReceiveNextEventCommon + 371
12 com.apple.HIToolbox 0x00007fff50e435e8 _BlockUntilNextEventMatchingListInModeWithFilter + 64
13 com.apple.AppKit 0x00007fff4f0ffeb7 _DPSNextEvent + 997
14 com.apple.AppKit 0x00007fff4f0fec56 -[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 1362
15 com.apple.AppKit 0x00007fff4f0f8cb9 -[NSApplication run] + 699
16 libqcocoa.dylib 0x00000001050873ad 0x10505e000 + 168877
17 org.qt-project.QtCore 0x0000000102fa9a72 QEventLoop::exec(QFlagsQEventLoop::ProcessEventsFlag) + 418
18 org.qt-project.QtCore 0x0000000102fae692 QCoreApplication::exec() + 402
19 com.yourcompany.vna-qt 0x0000000101f7a94f main + 383
20 libdyld.dylib 0x00007fff7ed8e08d start + 1

Thread 1:: com.apple.NSEventThread
0 libsystem_kernel.dylib 0x00007fff7eec6c2a mach_msg_trap + 10
1 libsystem_kernel.dylib 0x00007fff7eec7174 mach_msg + 60
2 com.apple.CoreFoundation 0x00007fff51babda2 __CFRunLoopServiceMachPort + 337
3 com.apple.CoreFoundation 0x00007fff51bab2f1 __CFRunLoopRun + 1654
4 com.apple.CoreFoundation 0x00007fff51baaa28 CFRunLoopRunSpecific + 463
5 com.apple.AppKit 0x00007fff4f108add _NSEventThread + 160
6 libsystem_pthread.dylib 0x00007fff7ef80339 _pthread_body + 126
7 libsystem_pthread.dylib 0x00007fff7ef832a7 _pthread_start + 70
8 libsystem_pthread.dylib 0x00007fff7ef7f445 thread_start + 13

Thread 2:: Dispatch queue: NSCGSDisableUpdates
0 libsystem_kernel.dylib 0x00007fff7eec6c2a mach_msg_trap + 10
1 libsystem_kernel.dylib 0x00007fff7eec7174 mach_msg + 60
2 com.apple.SkyLight 0x00007fff77cb7c37 CGSUpdateManager::enable_updates_common() + 539
3 com.apple.SkyLight 0x00007fff77c5b07f CGSUpdateManager::enable_update(unsigned long long) + 317
4 libdispatch.dylib 0x00007fff7ed3ed53 _dispatch_call_block_and_release + 12
5 libdispatch.dylib 0x00007fff7ed3fdcf _dispatch_client_callout + 8
6 libdispatch.dylib 0x00007fff7ed46124 _dispatch_lane_serial_drain + 618
7 libdispatch.dylib 0x00007fff7ed46bdc _dispatch_lane_invoke + 388
8 libdispatch.dylib 0x00007fff7ed4f090 _dispatch_workloop_worker_thread + 603
9 libsystem_pthread.dylib 0x00007fff7ef7f63c _pthread_wqthread + 409
10 libsystem_pthread.dylib 0x00007fff7ef7f435 start_wqthread + 13

Thread 3:
0 libsystem_pthread.dylib 0x00007fff7ef7f428 start_wqthread + 0
1 ??? 0x0000000054485244 0 + 1414025796

Thread 4:
0 libsystem_kernel.dylib 0x00007fff7eec88a6 read + 10
1 libxavna.0.dylib 0x0000000101fd3d09 readValue2(int, int) + 857
2 libxavna.0.dylib 0x0000000101fd41bb xavna_default::read_values_raw(double*, int) + 91
3 libxavna.0.dylib 0x0000000101fd5928 xaxaxa::VNADevice::_mainThread() + 408
4 libxavna.0.dylib 0x0000000101fd5629 xaxaxa::mainThread(void*) + 9
5 libsystem_pthread.dylib 0x00007fff7ef80339 _pthread_body + 126
6 libsystem_pthread.dylib 0x00007fff7ef832a7 _pthread_start + 70
7 libsystem_pthread.dylib 0x00007fff7ef7f445 thread_start + 13

Thread 5:
0 libsystem_pthread.dylib 0x00007fff7ef7f428 start_wqthread + 0
1 ??? 0x0000000054485244 0 + 1414025796

Thread 6:
0 libsystem_pthread.dylib 0x00007fff7ef7f428 start_wqthread + 0
1 ??? 0x0000000054485244 0 + 1414025796

Thread 0 crashed with X86 Thread State (64-bit):
rax: 0x0000000000000000 rbx: 0x000000011149f5c0 rcx: 0x00007ffeedca4988 rdx: 0x0000000000000000
rdi: 0x0000000000000307 rsi: 0x0000000000000006 rbp: 0x00007ffeedca49c0 rsp: 0x00007ffeedca4988
r8: 0x00007ffeedca4848 r9: 0x00007ffeedca4a20 r10: 0x0000000000000000 r11: 0x0000000000000206
r12: 0x0000000000000307 r13: 0x0000003000000008 r14: 0x0000000000000006 r15: 0x000000000000002d
rip: 0x00007fff7eeccb86 rfl: 0x0000000000000206 cr2: 0x00007fffb1bc1188

Logical CPU: 0
Error Code: 0x02000148
Trap Number: 133

[xaxaxa]

Are you in T/R mode? The error message "matrix rank is not full" implies the measurements are not linearly independent, which can happen if you e.g. try to calibrate port 2 when in T/R mode.