the error message is he following:
Process: Band-in-a-Box [23946]
Path: /Applications/Band-in-a-Box/Band-in-a-Box.app/Contents/MacOS/Band-in-a-Box
Identifier: com.pgmusic.Band-in-a-Box
Version: 2018.0.258 (2018.0.258)
Code Type: X86 (Native)
Parent Process: ??? [1]
Responsible: Band-in-a-Box [23946]
User ID: 501

Date/Time: 2019-02-16 16:41:20.697 +0000
OS Version: Mac OS X 10.14 (18A391)
Report Version: 12
Anonymous UUID: 87502D5F-5D00-6678-3C0E-56C25BBA7853

Sleep/Wake UUID: 610F4A3A-2B52-4579-80ED-EEF70B542CE4

Time Awake Since Boot: 1200000 seconds
Time Since Wake: 270000 seconds

System Integrity Protection: enabled

Crashed Thread: 4 com.apple.audio.IOThread.client

Exception Type: EXC_BREAKPOINT (SIGTRAP)
Exception Codes: 0x0000000000000002, 0x0000000000000000
Exception Note: EXC_CORPSE_NOTIFY

Termination Signal: Trace/BPT trap: 5
Termination Reason: Namespace SIGNAL, Code 0x5
Terminating Process: exc handler [23946]

Thread 0:: Dispatch queue: com.apple.main-thread
0 libsystem_kernel.dylib 0xa7c15e22 mach_msg_trap + 10
1 libsystem_kernel.dylib 0xa7c1635f mach_msg + 47
2 com.apple.CoreFoundation 0x938e7f1d __CFRunLoopServiceMachPort + 289
3 com.apple.CoreFoundation 0x938e75de __CFRunLoopRun + 3196
4 com.apple.CoreFoundation 0x938e6665 CFRunLoopRunSpecific + 584
5 com.apple.CoreFoundation 0x938ff65f CFRunLoopRunInMode + 82
6 com.apple.HIToolbox 0x92ed50ef RunCurrentEventLoopInMode + 325
7 com.apple.HIToolbox 0x93079549 GetNextEventMatchingMask + 367
8 com.apple.HIToolbox 0x930791d4 WNEInternal + 180
9 com.apple.HIToolbox 0x93079112 WaitNextEvent + 48
10 com.pgmusic.Band-in-a-Box 0x000a4039 MMYUTILS_MASTERGETNEXTEVENT$SMALLINT$EVENTRECORD$$BOOLEAN + 89
11 com.pgmusic.Band-in-a-Box 0x0017dc50 BANDINABOX_HANDLEEVENT2 + 32
12 com.pgmusic.Band-in-a-Box 0x00011465 P$MAINPROC_MAINLOOP + 21
13 com.pgmusic.Band-in-a-Box 0x00030876 FPC_SYSTEMMAIN + 70
14 com.pgmusic.Band-in-a-Box 0x00011435 start + 53