Bibtex errors and warnings

Wide character in print at bibtex.ph line 196.
/tmp/shaulm.bib, line 1263, syntax error: at end of input, expected one of: number, name (entry type, key, field, or macro name) or quoted string ({...} or "...")
/tmp/shaulm.bib, line 1263, syntax error: at end of input, expected end of entry ("}" or ")") (skipping to next "@")