I understood from your reply that I will find the mods I installed in the subfolder "Save" from the file "Factorio" but I only have three subfolders, "bin", "data" and "doc-html" however in "data" I found the subfolders "base" and "core" where there are in each one the subfolder "prototypes" link to ...

Hello

I downloaded lots of mods but since the download of this one "angels-ores", I can no more launch Factorio, the loading of the game stop at the creation of the prototype after the loading of the mods

I have the following error message :

"Error in assignID, item-subgroup with name 'angels ...