This is BibTeX, Version 0.99d (TeX Live 2019/Debian) Capacity: max_strings=200000, hash_size=200000, hash_prime=170003 The top-level auxiliary file: main.aux The style file: osajnl.bst Illegal, another \bibstyle command---line 62 of file main.aux : \bibstyle : {osajnl} I'm skipping whatever remains of this command Database file #1: clockserver.bib Warning--empty author in PTP `journal' is a missing field, not a string, for entry riley2008handbook while executing---line 1368 of file osajnl.bst You've used 19 entries, 2613 wiz_defined-function locations, 710 strings with 7902 characters, and the built_in function-call counts, 6963 in all, are: = -- 451 > -- 256 < -- 5 + -- 93 - -- 74 * -- 488 := -- 813 add.period$ -- 41 call.type$ -- 19 change.case$ -- 18 chr.to.int$ -- 0 cite$ -- 20 duplicate$ -- 712 empty$ -- 698 format.name$ -- 89 if$ -- 1561 int.to.chr$ -- 0 int.to.str$ -- 19 missing$ -- 182 newline$ -- 61 num.names$ -- 18 pop$ -- 252 preamble$ -- 1 purify$ -- 0 quote$ -- 0 skip$ -- 139 stack$ -- 0 substring$ -- 265 swap$ -- 459 text.length$ -- 5 text.prefix$ -- 0 top$ -- 0 type$ -- 0 warning$ -- 1 while$ -- 35 width$ -- 21 write$ -- 167 (There were 2 error messages)