mcq.plot.intensity.profile error not clear if wrong facotrs used in factortocolor arguement of the function

mcq.plot.intensity.profile(filtered_xic, factorToColor=c("strain", "time"), file="output/profile_filtered.pdf") Erreur dans if (factorToColor == "msrun") { : la condition est de longueur > 1

make a test cleaner if the fator exist in metadata