[0] Config.pm:311> INFO - This is Biber 2.16
[0] Config.pm:314> INFO - Logfile is 'slides.blg'
[57] biber:340> INFO - === Fr Sep 23, 2022, 13:11:33
[67] Biber.pm:415> INFO - Reading 'slides.bcf'
[121] Biber.pm:952> INFO - Found 0 citekeys in bib section 0
[125] Utils.pm:395> WARN - The file 'slides.bcf' does not contain any citations!
[132] bbl.pm:654> INFO - Writing 'slides.bbl' with encoding 'UTF-8'
[132] bbl.pm:757> INFO - Output to slides.bbl
[133] Biber.pm:128> INFO - WARNINGS: 1