.esm has a limit of 255 mods. esl allows you go go over that amount. As one person said use a mod manager, Vortex or MMO.
some mods like this one, usually goes at the end of the list. Its usually in the instructions on how to load it.
Previsibines Repair Pack Stable Branch - PRP
https://www.nexusmods.com/fallout4/mods/46403?tab=files
If a mod is having issues, either move it down on the list to fix it. Some mods used by others, go up in the list. If everything is working, go by the old saying, "if it's not broke, don't fix it".