make error

I am getting an error in compiling, that states : gtsam/gtsam/base/Vector.h:267:59: error: there are no arguments to ‘make_array’ that depend on a template parameter, so a declaration of ‘make_array’ must be available [-fpermissive] ar << make_nvp("data", make_array(v.data(), v.size()));

gtsam/gtsam/base/Matrix.cpp: In function ‘bool gtsam::assert_equal(const Matrix&, const Matrix&, double)’: /home/asif/github_reposits/gtsam/gtsam/base/Matrix.cpp:48:3: error: ‘cout’ was not declared in this scope cout << "not equal:" << endl; ^

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