I doubt this is possible, but I'm gonna throw it out there.
Can there be a button that shows when you get startup script errors that re-launches the game?
#Reload the game after error
bitter dirge
fallen shard
what's the use case
bitter dirge
Not having to go back to a launcher to reload it
half fog
fallen shard
it's one click tho
half fog
one?
fallen shard
well unless you're using c*rseforge
half fog
it's not one click 
fallen shard
fallen shard
prism supremacy
autumn gull
well unless you're using c*rseforge
Me as well
brave bobcat
its not possible
fallen shard
??notpossible
ripe quarryBOT
??notpossible
Just because someone said it isn't possible doesn't mean it actually is. Instead they meant that no one has successfully done it yet.
Be the first!
brave bobcat
No this one actually isnt possible
autumn gull
Could you open up the launcher?
lost kelp
Could you open up the launcher?
What launcher? How would it know? Can mods even launch arbitrary exe files? That sounds dangerous and ngl out of scope
brave bobcat
minecraft doesn't know what launcher it was launched from
granite pond
What launcher? How would it know? Can mods even launch arbitrary exe files? That...
yes they can which is why you have to be careful with mods. Tho it'd get flagged on curseforge. Anyway like Lat said MC has no idea what launcher it was launched from
autumn gull
Thats sad, thanks for the info
hollow shadow
prism launches the game from their own entrypoint, so you could navigate down the stacktrace like kubejs does to find the line that an error was thrown from