id summary reporter owner description type status milestone component version severity resolution keywords cc 905 Assertion failed in token_iterator.hpp nobody jsiek "{{{ Using BOOST.1.33.1 with Borland C++. I've suddenly got a Message Box saying: Assertion failed: valid_, file ...boost/token_iterator.hpp, line 52 Line 52 in token_iterator.hpp is: assert(valid_); in void increment(){}. Could anybody give me a clue as to what might be going on and why it has suddenly started happening, please? With thanks in anticipation, Paul Collins (paul@screen.subtitling.com) }}}" Support Requests closed tokenizer None Showstopper worksforme