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Make my WKWebView crash in ios15
What is wrong with this part?
Attach my crash log Please help.....
2021-11-24 09:48:26.705150+0800 Swipy[510:18443] -[__NSDictionaryM length]: unrecognized selector sent to instance 0x281eb9560
2021-11-24 09:48:26.715730+0800 Swipy[510:18443] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[__NSDictionaryM length]: unrecognized selector sent to instance 0x281eb9560'
*** First throw call stack: (0x181be904c 0x19a25df54 0x181cc6014 0x181b7e474 0x181b7d5b0 0x18dc24718 0x19061d2a4 0x1907ec908 0x1907ec470 0x19074e16c 0x19075b464 0x190ae205c 0x1903278e0 0x190329060 0x18dc1e074 0x18dc1f1e4 0x181c0b020 0x181c1bce0 0x181b55fe8 0x181b5b7f4 0x181b6f3b8 0x19d4ff38c 0x18450f6a8 0x18428e7f4 0x100d60108 0x101481a24) libc++abi: terminating with uncaught exception of type NSException dyld4 config: DYLD_LIBRARY_PATH=/usr/lib/system/introspection DYLD_INSERT_LIBRARIES=/Developer/usr/lib/libBacktraceRecording.dylib:/Developer/usr/lib/libMainThreadChecker.dylib:/Developer/Library/PrivateFrameworks/DTDDISupport.framework/libViewDebuggerSupport.dylib *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[__NSDictionaryM length]: unrecognized selector sent to instance 0x281eb9560' terminating with uncaught exception of type NSException