When installing the kit, I get the following message:

and everytime I open MATLAB I get the same warning. What to do?
Moreover, I'm having issues with using other MATLAB functions because the kit is overwriting them. More specifically, MATLAB's function sum and median.
When I check all the functions:

and:

This is ultimately creating problems when coding. What can I do to not overwrite any function?
I'm using MATLAB's 2018b.
Thank you!
Ana