Thanks for the quick reply!The names of the checkboxes
are:TabelleWartung.Zeile6.batteriegetauschtTabelleWartung.Zeile5.batteriegetauschtThe
first time the error occured was on the top of the form. There is a
"switch" to change between different tests. It worked on all other forms
i made this week - but on this i had to change it to radio buttons.You
are right, i should switch to radio buttons. It just worked fine with
checkboxes in all the other forms i made.A cool feature is that by
ticking of...