u/r_pasion

Fairly new at setting up guitars so please be kind. I have a multi scale legator ghost 7 super shred. 25.5-26.5”.

Not sure if these details will help but I have
-the action set from 1mm-1.7mm.
-Neck relief flat such that a 0.08mm feeler gauge slides under the 8th fret.
-Tuning is drop G#
-custom string set from .0095-.68.
-frets are stainless steel

I intonated my guitar. Open G# and 12th fret are both in tune, but when I’m playing up the neck I’m getting notes that are sharp (13 cents sharp at fret 20). Would really appreciate if anyone could help me identify potential causes for this. Pretty bummed out because I just bought it a couple months ago and only found this issue today..

Thank you!