Well I ended up adding the research using dev/lua commands and then removing it for me to legitimatelly research it later on.

A weird bug but thank goodness for commands.

Would updates to mods do it as well?
Had one that needed to remove features from itself to fix a bug.
Other than thats I haven't touched the modlist at all, no removals or additions, though I wish I checked all tech at the start..

I also tried the command, and I guess it went through? Got a warning ...

Hello!

Yesterday while playing my modded factorio (K2Space age + other lesser ones), I was eager to finally research flamethrower turrets both for offense and defense. To my shock though, I couldn't.
It stated that I "Lacked prerequisite technologies" despite having Military tech cards reserached ...