Hi,
> \usepackage{german}
> results in something like
> (indexentry :tkey ( ( \active@dq \dq@prtct{E}uler\errhelp {Use `` for
> a simple double quote character.}\errmessage {german: The command ")
You surley typed
\usepackage{german}
\usepackage{xindy}
If you reverse the order, the output is correct. I don't know why,
but xindy MUST be included before german is loaded.
CU, Andi