Cleared the cache and relaunched it... Now it crashes again :)
Process:               Plarium Play [3415]
Path:                  /Applications/Plarium Play.app/Contents/MacOS/Plarium Play
Identifier:            Plarium Play
Version:               1.0 (1.0)
Code Type:             X86-64 (Native)
Parent Process:        Plarium Play [3137]
Responsible:           Plarium Play [3137]
User ID:               501
Date/Time:             2021-06-10 15:02:05.861 -0400
OS Version:            macOS 11.2.3 (20D91)
Report Version:        12
Bridge OS Version:     5.2 (18P4347)
Anonymous UUID:        A039AAB0-4201-BD25-A6B5-[.................]
Time Awake Since Boot: 5400 seconds
System Integrity Protection: enabled
Crashed Thread:        1
Exception Type:        EXC_CRASH (SIGABRT)
Exception Codes:       0x0000000000000000, 0x0000000000000000
Exception Note:        EXC_CORPSE_NOTIFY
Application Specific Information:
*** multi-threaded process forked ***
crashed on child side of fork pre-exec
Thread 0:
0   libsystem_kernel.dylib        	0x00007fff203968e2 __psynch_cvwait + 10
1   libsystem_pthread.dylib       	0x00007fff203c8e6f _pthread_cond_wait + 1254
2   libcoreclr.dylib              	0x000000011b4db37e CorUnix::CPalSynchronizationManager::ThreadNativeWait(CorUnix::_ThreadNativeWaitData*, unsigned int, CorUnix::ThreadWakeupReason*, unsigned int*) + 318
3   libcoreclr.dylib              	0x000000011b4db030 CorUnix::CPalSynchronizationManager::BlockThread(CorUnix::CPalThread*, unsigned int, bool, bool, CorUnix::ThreadWakeupReason*, unsigned int*) + 464
4   libcoreclr.dylib              	0x000000011b4dfa1c CorUnix::InternalWaitForMultipleObjectsEx(CorUnix::CPalThread*, unsigned int, void* const*, int, unsigned int, int, int) + 2028
5   libcoreclr.dylib              	0x000000011b4dfbe8 PAL_WaitForSingleObjectPrioritized + 72
6   libcoreclr.dylib              	0x000000011b79a450 CLRLifoSemaphore::WaitForSignal(unsigned int) + 32
7   libcoreclr.dylib              	0x000000011b692d0e ThreadpoolMgr::WorkerThreadStart(void*) + 974
8   libcoreclr.dylib              	0x000000011b4e6924 CorUnix::CPalThread::ThreadEntry(void*) + 436
9   libsystem_pthread.dylib       	0x00007fff203c8950 _pthread_start + 224
10  libsystem_pthread.dylib       	0x00007fff203c447b thread_start + 15
Thread 1 Crashed:
0   libsystem_kernel.dylib        	0x00007fff2039a462 __pthread_kill + 10
1   libsystem_pthread.dylib       	0x00007fff203c8610 pthread_kill + 263
2   libsystem_c.dylib             	0x00007fff2031b720 abort + 120
3   libcoreclr.dylib              	0x000000011b4e2ef9 PROCAbort + 25
4   libcoreclr.dylib              	0x000000011b4b754d CreateCurrentThreadData + 61
5   libcoreclr.dylib              	0x000000011b4d5872 EnterCriticalSection + 34
6   libcoreclr.dylib              	0x000000011b5ba5c2 CrstBase::Enter() + 178
7   libcoreclr.dylib              	0x000000011b668846 IdDispenser::NewId(Thread*, unsigned int&) + 38
8   libcoreclr.dylib              	0x000000011b6685d3 Thread::Thread() + 1315
9   libcoreclr.dylib              	0x000000011b6662b4 SetupThread(int) + 292
10  libcoreclr.dylib              	0x000000011b665e2a SetupThreadNoThrow(int*) + 138
11  libcoreclr.dylib              	0x000000011b5b791e CorHost2::_CreateDelegate(unsigned int, char16_t const*, char16_t const*, char16_t const*, long*) + 174
12  libcoreclr.dylib              	0x000000011b4ed460 coreclr_create_delegate + 96
13  plariumplay                   	0x000000010dc6d4a3 NetCoreAPI::Call(char const*, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, int) + 67
14  plariumplay                   	0x000000010dc73bd1 NetCoreManager::Call(char const*, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, int) + 65
15  plariumplay                   	0x000000010dc4ef36 ProcessLoop() + 1334
16  plariumplay                   	0x000000010dc4fe54 void* std::__1::__thread_proxy<std::__1::tuple<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct> >, void (*)()> >(void*) + 36
17  libsystem_pthread.dylib       	0x00007fff203c8950 _pthread_start + 224
18  libsystem_pthread.dylib       	0x00007fff203c447b thread_start + 15
Thread 1 crashed with X86 Thread State (64-bit):
  rax: 0x0000000000000000  rbx: 0x000070000ce79000  rcx: 0x000070000ce78258  rdx: 0x0000000000000000
  rdi: 0x0000000000001407  rsi: 0x0000000000000006  rbp: 0x000070000ce78280  rsp: 0x000070000ce78258
   r8: 0x000000010dd4ea00   r9: 0x0000000000000003  r10: 0x000070000ce79000  r11: 0x0000000000000246
  r12: 0x0000000000001407  r13: 0x0000000000000000  r14: 0x0000000000000006  r15: 0x0000000000000016
  rip: 0x00007fff2039a462  rfl: 0x0000000000000246  cr2: 0x0000600001fe47c0
  
Logical CPU:     0
Error Code:      0x02000131
Trap Number:     133
Thread 1 instruction stream not available.
Thread 1 last branch register state not available.