-[VIActionWorker processActions] ----- crash----15.6.x

[405092901]

Crashed: com.vimediacache.download (QOS: UNSPECIFIED)
0 libobjc.A.dylib 0x3180 objc_release + 16
1 XXXX 0x3dfabc0 -[VIMediaDownloader actionWorker:didFinishWithError:] + 489 (VIMediaDownloader.m:489)
2 XXXX 0x3df8ec8 -[VIActionWorker processActions] + 188 (VIMediaDownloader.m:188)
3 XXXX 0x3df99f0 -[VIActionWorker URLSession:task:didCompleteWithError:] + 321 (VIMediaDownloader.m:321)
4 XXXX 0x3df8854 -[VIURLSessionDelegateObject URLSession:task:didCompleteWithError:] + 88 (VIMediaDownloader.m:88)
5 XXXX 0x348741c __InstrumentURLSessionTaskDidCompleteWithError_block_invoke + 61 (FPRNSURLSessionDelegateInstrument.m:61)
6 CFNetwork 0x1c530 CFURLRequestCopyHTTPRequestMethod + 2400
7 Foundation 0x51bfc NSBLOCKOPERATION_IS_CALLING_OUT_TO_A_BLOCK + 24
8 Foundation 0x63f74 -[NSBlockOperation main] + 104
9 Foundation 0x3c1f4 NSOPERATION_IS_INVOKING_MAIN + 24
10 Foundation 0x4d5bc -[NSOperation start] + 788
11 Foundation 0x50c48 NSOPERATIONQUEUE_IS_STARTING_AN_OPERATION + 24
12 Foundation 0x5edf0 __NSOQSchedule_f + 184
13 libdispatch.dylib 0x12830 _dispatch_block_async_invoke2 + 148
14 libdispatch.dylib 0x3a30 _dispatch_client_callout + 20
15 libdispatch.dylib 0x6eec _dispatch_continuation_pop + 500
16 libdispatch.dylib 0x6558 _dispatch_async_redirect_invoke + 584
17 libdispatch.dylib 0x15164 _dispatch_root_queue_drain + 396
18 libdispatch.dylib 0x1596c _dispatch_worker_thread2 + 164
19 libsystem_pthread.dylib 0x1080 _pthread_wqthread + 228
20 libsystem_pthread.dylib 0xe5c start_wqthread + 8