This is BibTeX, Version 0.99d (TeX Live 2017) Capacity: max_strings=100000, hash_size=100000, hash_prime=85009 The top-level auxiliary file: bare_conf.aux The style file: mdpi.bst Database file #1: egbib.bib You're missing a field name---line 2793 of file egbib.bib : : %pages={1-8}, (Error may have been on previous line) I'm skipping whatever remains of this entry I was expecting an "="---line 2834 of file egbib.bib : article : NUMBER = {8}, I'm skipping whatever remains of this entry You've used 35 entries, 2795 wiz_defined-function locations, 794 strings with 11715 characters, and the built_in function-call counts, 14534 in all, are: = -- 1204 > -- 911 < -- 24 + -- 342 - -- 272 * -- 1235 := -- 2367 add.period$ -- 102 call.type$ -- 35 change.case$ -- 35 chr.to.int$ -- 35 cite$ -- 35 duplicate$ -- 657 empty$ -- 1197 format.name$ -- 323 if$ -- 3114 int.to.chr$ -- 1 int.to.str$ -- 35 missing$ -- 38 newline$ -- 176 num.names$ -- 105 pop$ -- 251 preamble$ -- 0 purify$ -- 35 quote$ -- 0 skip$ -- 387 stack$ -- 0 substring$ -- 646 swap$ -- 169 text.length$ -- 11 text.prefix$ -- 0 top$ -- 0 type$ -- 236 warning$ -- 0 while$ -- 117 width$ -- 0 write$ -- 439 (There were 2 error messages)