Hierom werkt de Rekenmachine (Valuta) niet

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Keuzevenstertje conversie in Rekenmachine verschijnt nietDetails:
Process: Calculator [708]
Path: /Applications/Calculator.app/Contents/MacOS/Calculator
Identifier: Calculator
Version: 10.13.6 (192.3)
Code Type: X86-64 (Native)
Parent Process: ??? [1]
Responsible: Calculator [708]
User ID: 507
Date/Time: 2024-06-26 17:01:42.499 +0200
OS Version: Mac OS X 10.13.6 (17G14042)
Report Version: 12
Anonymous UUID: FDE97617-E08A-9996-F8C3-D4524A7027CA
Time Awake Since Boot: 260 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:
*** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '*** -[__NSDictionaryM setObject:forKey:]: key cannot be nil'
terminating with uncaught exception of type NSException
abort() called
Application Specific Backtrace 1:
0 CoreFoundation 0x00007fff2abacf3b __exceptionPreprocess + 171
1 libobjc.A.dylib 0x00007fff511dc942 objc_exception_throw + 48
2 CoreFoundation 0x00007fff2abecfcc _CFThrowFormattedException + 194
3 CoreFoundation 0x00007fff2aab3bf3 -[__NSDictionaryM setObject:forKey:] + 963
4 Calculator 0x0000000109b2121a Calculator + 70170
5 Calculator 0x0000000109b200db Calculator + 65755
6 Calculator 0x0000000109b22052 Calculator + 73810
7 libdispatch.dylib 0x00007fff51dc55fa _dispatch_call_block_and_release + 12
8 libdispatch.dylib 0x00007fff51dbddb8 _dispatch_client_callout + 8
9 libdispatch.dylib 0x00007fff51dc9395 _dispatch_main_queue_callback_4CF + 1148
10 CoreFoundation 0x00007fff2ab65c69 __CFRUNLOOP_IS_SERVICING_THE_MAIN_DISPATCH_QUEUE__ + 9
11 CoreFoundation 0x00007fff2ab2843a __CFRunLoopRun + 2586
12 CoreFoundation 0x00007fff2ab27787 CFRunLoopRunSpecific + 487
13 HIToolbox 0x00007fff29e6cd96 RunCurrentEventLoopInMode + 286
14 HIToolbox 0x00007fff29e6cb06 ReceiveNextEventCommon + 613
15 HIToolbox 0x00007fff29e6c884 _BlockUntilNextEventMatchingListInModeWithFilter + 64
16 AppKit 0x00007fff28119a3b _DPSNextEvent + 2085
17 AppKit 0x00007fff288afe34 -[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 3044
18 AppKit 0x00007fff2810e84d -[NSApplication run] + 764
19 AppKit 0x00007fff280dda3a NSApplicationMain + 804
20 libdyld.dylib 0x00007fff51df7015 start + 1
Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0 libsystem_kernel.dylib 0x00007fff51f47b66 __pthread_kill + 10
1 libsystem_pthread.dylib 0x00007fff52112080 pthread_kill + 333
2 libsystem_c.dylib 0x00007fff51ea31ae abort + 127
3 libc++abi.dylib 0x00007fff4fd9df8f abort_message + 245
4 libc++abi.dylib 0x00007fff4fd9e12b default_terminate_handler() + 265
5 libobjc.A.dylib 0x00007fff511dea47 _objc_terminate() + 97
6 libc++abi.dylib 0x00007fff4fdb97c9 std::__terminate(void (*)()) + 8
7 libc++abi.dylib 0x00007fff4fdb9843 std::terminate() + 51
8 libdispatch.dylib 0x00007fff51dbddcc _dispatch_client_callout + 28
9 libdispatch.dylib 0x00007fff51dc9395 _dispatch_main_queue_callback_4CF + 1148
10 com.apple.CoreFoundation 0x00007fff2ab65c69 __CFRUNLOOP_IS_SERVICING_THE_MAIN_DISPATCH_QUEUE__ + 9
11 com.apple.CoreFoundation 0x00007fff2ab2843a __CFRunLoopRun + 2586
12 com.apple.CoreFoundation 0x00007fff2ab27787 CFRunLoopRunSpecific + 487
13 com.apple.HIToolbox 0x00007fff29e6cd96 RunCurrentEventLoopInMode + 286
14 com.apple.HIToolbox 0x00007fff29e6cb06 ReceiveNextEventCommon + 613
15 com.apple.HIToolbox 0x00007fff29e6c884 _BlockUntilNextEventMatchingListInModeWithFilter + 64
16 com.apple.AppKit 0x00007fff28119a3b _DPSNextEvent + 2085
17 com.apple.AppKit 0x00007fff288afe34 -[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 3044
18 com.apple.AppKit 0x00007fff2810e84d -[NSApplication run] + 764
19 com.apple.AppKit 0x00007fff280dda3a NSApplicationMain + 804
20 libdyld.dylib 0x00007fff51df7015 start + 1
Thread 1:
0 libsystem_kernel.dylib 0x00007fff51f4828a __workq_kernreturn + 10
1 libsystem_pthread.dylib 0x00007fff5210f009 _pthread_wqthread + 1035
2 libsystem_pthread.dylib 0x00007fff5210ebe9 start_wqthread + 13
Thread 2:
0 libsystem_kernel.dylib 0x00007fff51f4828a __workq_kernreturn + 10
1 libsystem_pthread.dylib 0x00007fff5210f20e _pthread_wqthread + 1552
2 libsystem_pthread.dylib 0x00007fff5210ebe9 start_wqthread + 13
Thread 3:
0 libsystem_kernel.dylib 0x00007fff51f4828a __workq_kernreturn + 10
1 libsystem_pthread.dylib 0x00007fff5210f20e _pthread_wqthread + 1552
2 libsystem_pthread.dylib 0x00007fff5210ebe9 start_wqthread + 13
Thread 4:
0 libsystem_pthread.dylib 0x00007fff5210ebdc start_wqthread + 0
1 ??? 0x6c61632e656c7070 0 + 7809632279758401648
Thread 5:
0 libsystem_pthread.dylib 0x00007fff5210ebdc start_wqthread + 0
Thread 6:: com.apple.NSEventThread
0 libsystem_kernel.dylib 0x00007fff51f3e1fa mach_msg_trap + 10
1 libsystem_kernel.dylib 0x00007fff51f3d714 mach_msg + 60
2 com.apple.CoreFoundation 0x00007fff2ab28dc5 __CFRunLoopServiceMachPort + 341
3 com.apple.CoreFoundation 0x00007fff2ab28117 __CFRunLoopRun + 1783
4 com.apple.CoreFoundation 0x00007fff2ab27787 CFRunLoopRunSpecific + 487
5 com.apple.AppKit 0x00007fff28256fc4 _NSEventThread + 184
6 libsystem_pthread.dylib 0x00007fff5210f661 _pthread_body + 340
7 libsystem_pthread.dylib 0x00007fff5210f50d _pthread_start + 377
8 libsystem_pthread.dylib 0x00007fff5210ebf9 thread_start + 13
Thread 0 crashed with X86 Thread State (64-bit):
rax: 0x0000000000000000 rbx: 0x00007fff8b082380 rcx: 0x00007ffee60edea8 rdx: 0x0000000000000000
rdi: 0x0000000000000507 rsi: 0x0000000000000006 rbp: 0x00007ffee60edee0 rsp: 0x00007ffee60edea8
r8: 0x00007ffee60edd70 r9: 0x00007ffee60edf40 r10: 0x0000000000000000 r11: 0x0000000000000206
r12: 0x0000000000000507 r13: 0x0000000000000030 r14: 0x0000000000000006 r15: 0x000000000000002d
rip: 0x00007fff51f47b66 rfl: 0x0000000000000206 cr2: 0x00007fff8b05f168
Logical CPU: 0
Error Code: 0x02000148
Trap Number: 133