crash when trying to open material (MAC)

Summary

I’ll hopefully be switching to a new pc sometime in the new year but for now just getting started learning unreal engine 5 with a MacBook Pro.

I’m following through a YT tutorial (https://www.youtube.com/watch?v=k-zMkzmduqI) and at 2hrs 10 in, I am modifying a material created. So yesterday I went to reopen the material and got the error attached/below. If I reopen the project and attempt to open the material I consistently get the same error/crash.

LowLevelTasks::Private::FWaitingQueue::ConditionalStandby(LowLevelTasks::Private::FWaitEvent*) Address = 0x1050b6a2b (filename not found) [in unrealeditor-core.dylib]
LowLevelTasks::FScheduler::StandbyLoop(LowLevelTasks::Private::FWaitEvent*, LowLevelTasks::Private::TLocalQueueRegistry<1024u, 1024u>::TLocalQueue*, unsigned int, bool) Address = 0x1050b6294 (filename not found) [in unrealeditor-core.dylib]
LowLevelTasks::FScheduler::WorkerMain(LowLevelTasks::Private::FWaitEvent*, LowLevelTasks::Private::TLocalQueueRegistry<1024u, 1024u>::TLocalQueue*, unsigned int, bool) Address = 0x1050b7922 (filename not found) [in unrealeditor-core.dylib]
FThreadImpl::Run() Address = 0x1052fe935 (filename not found) [in unrealeditor-core.dylib]
FRunnableThreadPThread::Run() Address = 0x1052b4f42 (filename not found) [in unrealeditor-core.dylib]
FRunnableThreadPThread::_ThreadProc(void*) Address = 0x10520faf4 (filename not found) [in unrealeditor-core.dylib]
_pthread_start Address = 0x7ff810688253 (filename not found) [in libsystem_pthread.dylib]
thread_start Address = 0x7ff810683bef (filename not found) [in libsystem_pthread.dylib]

Any ideas? help greatly appreciated

Please select what you are reporting on:

Unreal Editor for Fortnite

What Type of Bug are you experiencing?

Other

Steps to Reproduce

as above in description

Expected Result

as above in description

Observed Result

as above in description

Platform(s)

Macbook Pro
Processor: 2.3Ghz 8-Core Intel Core i9
Graphics: AMD Radeon Pro 550M 4GB
MacOS: Sequoia 15.1.1

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just a quick update, resolved by recreating, I think I had created folders in the wrong locations. All sorted now.