Solve errors and install some libreries to a No-Code application

I must do a no-code application that use many already made free libreries. I already start the job and i add already some libreries, but have some errors to work inside cpanel. So it is necessary solve Cpanel compatibility (now use next.js framework, so it is necessary migrate to a compatible framework for cpanel) and make the other features of project (add other libreries and integrate.
It is necessary competences in no-code application, php. react.js, python and next.js. please demostrate your comptence sending me the url of similar job made