weird extrusion artifact, please help

I am experiencing some artifacts I have never seen before... can someone maybe help?
https://discordapp.com/channels/582187371529764864/1223286652949106748/1326557316870443018

I have retuned PA from 0.022 to 0.0125
https://discordapp.com/channels/582187371529764864/1223286652949106748/1326875176767586426

this is the used gcode-file:
Was this page helpful?