Crash Item : CoreFoundation +[NSObject(NSObject) _copyDescription] Issue Details : Fatal Exception: NSInvalidArgumentException 0 CoreFoundation 0x99d78 __exceptionPreprocess 1 libobjc.A.dylib 0x16734 objc_exception_throw 2 CoreFoundation 0x177b88 +[NSObject(NSObject) _copyDescription] 3 CoreFoundation 0x2e988 forwarding 4 CoreFoundation 0x2da60 _CF_forwarding_prep_0 5 libnetwork.dylib 0xc12b4 nw_endpoint_get_type 6 CFNetwork 0x114950 CFURLDownloadCancel 7 CFNetwork 0x26cfa8 _CFURLStorageSessionDisableCache 8 CFNetwork 0x26cd90 _CFURLStorageSessionDisableCache 9 libnetwork.dylib 0x191a7c nw_endpoint_flow_connect 10 libnetwork.dylib 0x1c090 nw_endpoint_flow_setup_protocols 11 libnetwork.dylib 0x200b0 nw_endpoint_flow_setup_channel 12 libnetwork.dylib 0x167a4 -[NWConcrete_nw_endpoint_flow updatePathWithHandler:] 13 libnetwork.dylib 0x78160 nw_endpoint_handler_path_change 14 libnetwork.dylib 0x2d4f78 __nw_endpoint_handler_initialize_association_block_invoke 15 libnetwork.dylib 0x4d7750 __nw_association_update_paths_block_invoke.81 16 libnetwork.dylib 0x75358 nw_hash_table_apply 17 libnetwork.dylib 0x4d7114 nw_association_update_paths 18 libnetwork.dylib 0x167dec nw_path_necp_update_evaluator 19 libnetwork.dylib 0x14ad18 nw_path_necp_check_for_updates 20 libnetwork.dylib 0xbfc90 nw_path_evaluator_force_update 21 libnetwork.dylib 0x4da048 nw_association_force_update 22 libnetwork.dylib 0x21ac4 nw_endpoint_flow_setup_channel 23 libnetwork.dylib 0x182dc -[NWConcrete_nw_endpoint_flow startWithHandler:] 24 libnetwork.dylib 0x79d18 nw_endpoint_handler_path_change 25 libnetwork.dylib 0xa5798 nw_endpoint_handler_start 26 libnetwork.dylib 0x13bb0 nw_endpoint_resolver_start_next_child 27 libdispatch.dylib 0x1e68 _dispatch_call_block_and_release 28 libdispatch.dylib 0x3a2c _dispatch_client_callout 29 libdispatch.dylib 0xd0a4 _dispatch_workloop_invoke 30 libdispatch.dylib 0x16500 _dispatch_workloop_worker_thread 31 libsystem_pthread.dylib 0x10bc _pthread_wqthread 32 libsystem_pthread.dylib 0xe5c start_wqthread Crash Events : This issue has 1 crash event affecting 1 user Device For Max count : iPhone 13 OS for Max count : 15.4.1 I have gotten this issue but cant able to reproduce this.

I am getting this cashed and not able to understand and not able to reproduce it at my end. any help will be appreciated.

Please help in this.