happens all the time man, go work on sound design or some mixing , watch some videos, etc

armin says that its time to get out of the studio when no ideas are coming and you cant fight it, go play playstation and make a sandwich and then come back

sometimes its about making something you want to make, not cause of other people's tracks

I can shit melodies and chord progressions out pretty quickly. A huge part of that I would attribute to playing guitar and piano. The former for several years before I decided to get into production/engineering.

I'd suggest picking one of the two up. Or like Mussar said you can just transcribe a bunch of your favorite chord progressions. Learn the common patterns that you find within all of those and steal those attributes. You said you already know music theory. Well what kind of chords do you like? Do you like triads, sevenths, extended or borrowed chords? How about melodic scales? Do you prefer your melodies to be based off of a pentatonic, major, harmonic minor, or a minor tonality?

All of these questions are things that you can ask yourself to help identify specifically what your taste is in chord progressions and melodies. Analyze your favorites and ask yourself what is it about these melodies that makes me like it? Are they based off of a melodic sequence? What is their range/shape? Is there a certain structure to them via repetition of a motif or do they sound more improvised without much repetition/variation?

Hope this helps.

Are you all against apps like Cthulhu and Odesi?

Every time I see someone mention writers or producer block, I cant help but think of these programs. I feel like it can help get past that block and produce results. Even if the results turn out to be nothing, it could spark another idea for the future. I feel like for me to get past that block, I need to be working. Either playing with a new plugin or just start trying new things.

I like Cthulhu, but if you're not willing to dig in a little bit and put in your own progressions things start sounding samey cause it's all Bach.

I do have a folder of tens of thousands of songs in midi that I like skimming through for progressions when I'm feeling uninspired.

Well like I said, I would use it as a way to spark an idea or unblock the block.

I would hope that the person wouldn't go with the progression that it applies.