Hi, there is a extra 1 after the arguments 3 and 7. \def\OTRSETstoreincolumnslotindeed#1#2#3#4#5#6#7#8#9% {\OTRSETcheckprefered \enoughcolumncellsfalse \donefalse - \dostepwiserecurse{#1}{#2}{#31} + \dostepwiserecurse{#1}{#2}{#3} {\ifdone \exitloop \else #4=\recurselevel - \dostepwiserecurse{#5}{#6}{#71} + \dostepwiserecurse{#5}{#6}{#7} ... Wolfgang