IOS真机调试时编译失败 ‘SSMPDKLightLib' not found ，日志没看出什么具体问题，求指教

Could not find or use auto-linked framework 'SSMPDKLightLib': framework 'SSMPDKLightLib' not found

Undefined symbols:

Linker command failed with exit code 1 (use -v to see invocation)

这个SSMPDKLightLib是什么库？