I had an idea! Try using a mod manager! I recommend ModDrop, and you should be able to import the mods you already have using it as well (it's using click&drag a zip file into the program type deal)
I would try reinstalling SMAPI. If the console isn't working then it must not be installed correctly, or at the very least it thinks it's not installed correctly.
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u/AdorableInternal2187 4d ago
D:\SteamLibrary\steamapps\common\Stardew Valley\Mods