There we go, having that ubuntu install guide helped. This webwork upgrade was done by a different tech in my university. I don't think he set up everything 100%. I had to give my self permissions to use "git pull origin" command/the entire webwork-open-problem-library folder. After that I could do that and then properly run OPL-update command. After that the library tab started working for all my classes, Thanks for the help!
WeBWorK Main Forum
Issues with Library Browser
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