[EaseMob callManager]: unrecognized selector 报错

[EaseMob callManager]: unrecognized selector sent to instance 0x174252270

------------------------------------------------------------------------------------------libc++abi.dylib: terminate_handler unexpectedly threw an exception
 
other link 已经是 -objc, 集成方法是用的pod,头文件已经添加
 
进去chatviewcontroller的时候 执行到这一句就报错
 
求帮助