GM_debug

can anyone explain what this might be?

GM_Debug:
callstack..
GM_Debug: 0: __unknown
GM_Debug:
GM_Debug: expecting param 2 as function
GM_Debug:
unknown(0) :
GM_Debug:
callstack..
GM_Debug: 0: __unknown
GM_Debug:
wash rinse repeat

im getting this exact problem, dont really bother me i mean i dont know what it is and as far as i can tell it isnt affecting myself or anybody else

but would like some help

ty ty