Hello Everyone I have ProPresenter 6 and macOS Sierra and it throws an internal error alert a lot how can I fix this (alert pictured below), it also throws the same thing on Yosemite. Here is the details :
Exception Name: NSInvalidArgumentException
Description: -[NSNull boolValue]: unrecognized selector sent to instance 0x7fffb9326a40
User Info: (null)
0 CoreFoundation 0x00007fff9f8711cb __exceptionPreprocess + 171
1 libobjc.A.dylib 0x00007fffb33168fa objc_exception_throw + 48
2 CoreFoundation 0x00007fff9f8eca04 -[NSObject(NSObject) doesNotRecognizeSelector:] + 132
3 CoreFoundation 0x00007fff9f7e4b73 ___forwarding___ + 1059
4 CoreFoundation 0x00007fff9f7e46c8 _CF_forwarding_prep_0 + 120
5 ProPresenter 6 0x0000000104126fff -[ProLibraryController observeValueForKeyPath
fObject:change:context:] + 272
6 Foundation 0x00007fffa1239a53 NSKeyValueNotifyObserver + 350
7 Foundation 0x00007fffa12392ec NSKeyValueDidChange + 486
8 Foundation 0x00007fffa1376c43 -[NSObject(NSKeyValueObservingPrivate) _changeValueForKeys:count:maybeOldValuesDict:usingBlock:] + 944
9 Foundation 0x00007fffa1376596 -[NSObject(NSKeyValueObservingPrivate) _notifyObserversOfChangeFromValuesForKeys:toValuesForKeys:] + 807
10 CoreFoundation 0x00007fff9f8c512a forEachObserver + 298
11 CoreFoundation 0x00007fff9f8c5348 -[CFPrefsSource _notifyObserversOfChangeFromValuesForKeys:toValuesForKeys:] + 72
12 CoreFoundation 0x00007fff9f911a12 __84-[CFPrefsSearchListSource asynchronouslyNotifyOfChangesFromDictionary:toDictionary:]_block_invoke + 34
13 CoreFoundation 0x00007fff9f808f5c __CFRUNLOOP_IS_CALLING_OUT_TO_A_BLOCK__ + 12
14 CoreFoundation 0x00007fff9f7e9234 __CFRunLoopDoBlocks + 356
15 CoreFoundation 0x00007fff9f7e8d76 __CFRunLoopRun + 1894
16 CoreFoundation 0x00007fff9f7e83ad CFRunLoopRunSpecific + 285
17 HIToolbox 0x00007fff9eda7bcc RunCurrentEventLoopInMode + 240
18 HIToolbox 0x00007fff9eda7a01 ReceiveNextEventCommon + 432
19 HIToolbox 0x00007fff9eda7836 _BlockUntilNextEventMatchingListInModeWithFilter + 71
20 AppKit 0x00007fff9d51ba91 _DPSNextEvent + 1093
21 AppKit 0x00007fff9dc25704 -[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 1658
22 AppKit 0x00007fff9d510409 -[NSApplication run] + 926
23 AppKit 0x00007fff9d4dbaea NSApplicationMain + 1237
24 libdyld.dylib 0x00007fffb3bef255 start + 1
25 ??? 0x0000000000000001 0x0 + 1
Exception Name: NSInvalidArgumentException
Description: -[NSNull boolValue]: unrecognized selector sent to instance 0x7fffb9326a40
User Info: (null)
0 CoreFoundation 0x00007fff9f8711cb __exceptionPreprocess + 171
1 libobjc.A.dylib 0x00007fffb33168fa objc_exception_throw + 48
2 CoreFoundation 0x00007fff9f8eca04 -[NSObject(NSObject) doesNotRecognizeSelector:] + 132
3 CoreFoundation 0x00007fff9f7e4b73 ___forwarding___ + 1059
4 CoreFoundation 0x00007fff9f7e46c8 _CF_forwarding_prep_0 + 120
5 ProPresenter 6 0x0000000104126fff -[ProLibraryController observeValueForKeyPath
6 Foundation 0x00007fffa1239a53 NSKeyValueNotifyObserver + 350
7 Foundation 0x00007fffa12392ec NSKeyValueDidChange + 486
8 Foundation 0x00007fffa1376c43 -[NSObject(NSKeyValueObservingPrivate) _changeValueForKeys:count:maybeOldValuesDict:usingBlock:] + 944
9 Foundation 0x00007fffa1376596 -[NSObject(NSKeyValueObservingPrivate) _notifyObserversOfChangeFromValuesForKeys:toValuesForKeys:] + 807
10 CoreFoundation 0x00007fff9f8c512a forEachObserver + 298
11 CoreFoundation 0x00007fff9f8c5348 -[CFPrefsSource _notifyObserversOfChangeFromValuesForKeys:toValuesForKeys:] + 72
12 CoreFoundation 0x00007fff9f911a12 __84-[CFPrefsSearchListSource asynchronouslyNotifyOfChangesFromDictionary:toDictionary:]_block_invoke + 34
13 CoreFoundation 0x00007fff9f808f5c __CFRUNLOOP_IS_CALLING_OUT_TO_A_BLOCK__ + 12
14 CoreFoundation 0x00007fff9f7e9234 __CFRunLoopDoBlocks + 356
15 CoreFoundation 0x00007fff9f7e8d76 __CFRunLoopRun + 1894
16 CoreFoundation 0x00007fff9f7e83ad CFRunLoopRunSpecific + 285
17 HIToolbox 0x00007fff9eda7bcc RunCurrentEventLoopInMode + 240
18 HIToolbox 0x00007fff9eda7a01 ReceiveNextEventCommon + 432
19 HIToolbox 0x00007fff9eda7836 _BlockUntilNextEventMatchingListInModeWithFilter + 71
20 AppKit 0x00007fff9d51ba91 _DPSNextEvent + 1093
21 AppKit 0x00007fff9dc25704 -[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 1658
22 AppKit 0x00007fff9d510409 -[NSApplication run] + 926
23 AppKit 0x00007fff9d4dbaea NSApplicationMain + 1237
24 libdyld.dylib 0x00007fffb3bef255 start + 1
25 ??? 0x0000000000000001 0x0 + 1