Errors
There are several errors that identify themselves as being from "seminar.sty",
but the error messages are so self-explanatory that that there is no need to
describe them here. Instead, this section explains a few especially cryptic
TEX error messages that can arise when using "seminar.sty". These errors
may also arise for reasons that are not particular to the "seminar.sty"
macros. See your favorite TEX and LATEX manuals for more help in
debugging your documents.
"! File ended while scanning use of ."
You are missing an "