Need help with Unix please

Exercise 2.1 Simple Makefile Using the source code downloaded from the eLcarning website, run the included bash script to build the code Note: the build_me.sh script assumes that the GLS root is SHOME/local/gsl-2.5 Now that the executable a.out is build, when running it you get the following error: (cslinux1:-/class/Hw3/make)./a.out a.out: error whie loading shared Libraries: ibgs1.so.23: cannot open shared object file: No such file or directory [cslinuxi :-/class/HW3/make) What does this error mean and how do you fix it so you can run the code? If run properly the output should be: cslinux1:-/class/Hw3/make ./a.out Random number0.999742 Random number-0.162910 Random number-0.282618 andom number0.947201 andom number0.231657 andom number0.484974 andom number-0.957477 andom number0.744305 andom number0.540044 andom number0.739953 (cslinuxl:-/class/HW3/make} I Exercise 2.1 Simple Makefile Using the source code downloaded from the eLcarning website, run the included bash script to build the code Note: the build_me.sh script assumes that the GLS root is SHOME/local/gsl-2.5 Now that the executable a.out is build, when running it you get the following error: (cslinux1:-/class/Hw3/make)./a.out a.out: error whie loading shared Libraries: ibgs1.so.23: cannot open shared object file: No such file or directory [cslinuxi :-/class/HW3/make) What does this error mean and how do you fix it so you can run the code? If run properly the output should be: cslinux1:-/class/Hw3/make ./a.out Random number0.999742 Random number-0.162910 Random number-0.282618 andom number0.947201 andom number0.231657 andom number0.484974 andom number-0.957477 andom number0.744305 andom number0.540044 andom number0.739953 (cslinuxl:-/class/HW3/make}