ld: 871架构armv7的重复符号，clang:错误:链接器命令失败，退出代码1(使用-v查看调用)

I am using FastPDFKit in my iPhone app for displaying PDF. When I run the project on simulator, it works fine. However when I run the project on iPhone, it gives me below error.I am using FastPDFKit in my iPhone app for disp