no such file or directory issue for "LdapKit.a"

When i integrated the LdapKit with my code and tried to build the application i am getting an error "clang: error: no such file or directory: '/Users/apoorva/Library/Developer/Xcode/DerivedData/HD-evzaggoabjpuiadrjqitrnaxsoxu/Build/Products/Debug-iphoneos/libLdapKit.a" even though the file exists in the path specified
