Timeout waiting for ATT response, forcing a disconnect. (status=65535)

I set CBCharacteristicWriteType with CBCharacteristicWriteWithResponse,When I call function writeValue:(NSData *)data forCharacteristic:(CBCharacteristic *)characteristic type:(CBCharacteristicWriteType)type,

sometimes report this error with a disconnection after 1-30 seconds。


But if I set CBCharacteristicWriteType with CBCharacteristicWriteWithoutResponse, the problem don't happen. Is this a Bug??

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