Horst Leps writes: > % Created 2024-01-16 Tue 20:00 > % Intended LaTeX compiler: pdflatex > \documentclass{scrartcl} > \usepackage[utf8]{inputenc} > \usepackage[T1]{fontenc} > \usepackage{graphicx} > \usepackage{grffile} > \usepackage{longtable} > \usepackage{wrapfig} > \usepackage{rotating} > \usepackage[normalem]{ulem} > \usepackage{amsmath} > \usepackage{textcomp} > \usepackage{amssymb} > \usepackage{capt-of} > \usepackage{hyperref} > \usepackage[germanb]{babel} > \usepackage[utf8]{inputenc} > \usepackage[LGR,T1]{fontenc} > \usepackage[greek,german]{babel} > \author{HL}
The document loads babel twice: \usepackage[germanb]{babel} <== \usepackage[utf8]{inputenc} \usepackage[LGR,T1]{fontenc} \usepackage[greek,german]{babel} <== Hence the 'option class for package babel' error. You have loaded babel in your org document with the [greek,german] option and (probably, in the class you are loading) babel is already loaded as well. Try: #+LaTeX_Header: \PassOptionsToPackage{greek,german}{babel} Best regards, Juan Manuel