latex -version
pdfTeX 3.14159265-2.6-1.40.16 (TeX Live 2015/Debian)
kpathsea version 6.2.1
Copyright 2015 Peter Breitenlohner (eTeX)/Han The Thanh (pdfTeX).
There is NO warranty.  Redistribution of this software is
covered by the terms of both the pdfTeX copyright and
the Lesser GNU General Public License.
For more information about these matters, see the file
named COPYING and the pdfTeX source.
Primary author of pdfTeX: Peter Breitenlohner (eTeX)/Han The Thanh (pdfTeX).
Compiled with libpng 1.6.17; using libpng 1.6.17
Compiled with zlib 1.2.8; using zlib 1.2.8
Compiled with poppler version 0.41.0

[0] Config.pm:340> INFO - This is Biber 2.4
[1] Config.pm:343> INFO - Logfile is 'example.blg'
[89] biber:287> INFO - === mié jun 20, 2018, 16:26:31
[236] Biber.pm:348> INFO - Reading 'example.bcf'
[480] Biber.pm:742> INFO - Found 2 citekeys in bib section 0
[489] Biber.pm:3151> INFO - Processing section 0
[542] Biber.pm:3308> INFO - Looking for bibtex format file '/home/javi/Documentos/LATEX/Referencias/cyclotomic.bib' for section 0
[640] Utils.pm:163> ERROR - Cannot find '/home/javi/Documentos/LATEX/Referencias/cyclotomic.bib'!
[640] Biber.pm:113> INFO - ERRORS: 1

documentclass[11pt,reqno]{amsart}

usepackage[T1]{fontenc}

%---- Packages------
usepackage{amsmath, amsthm, amssymb, bm} %ver https://tex.stackexchange.com/questions/32100/what-does-each-ams-package-do y https://tex.stackexchange.com/questions/3238/bm-package-versus-boldsymbol/10643
RequirePackage{tgpagella}%font family
usepackage{refcheck}
usepackage[backend=biber]{biblatex}
addbibresource{/home/javi/Documentos/LATEX/Referencias/cyclotomic.bib}


begin{document}

cite{AlCoCo62} and cite{ArMo11}

printbibliography

end{document}

[1] Config.pm:340> INFO - This is Biber 2.4
[2] Config.pm:343> INFO - Logfile is 'example.blg'
[122] biber:287> INFO - === mié jun 20, 2018, 18:04:35
[268] Biber.pm:348> INFO - Reading 'example.bcf'
[508] Biber.pm:742> INFO - Found 2 citekeys in bib section 0
[517] Biber.pm:3151> INFO - Processing section 0
[569] Biber.pm:3308> INFO - Looking for bibtex format file 'cyclotomic.bib' for section 0
[611] bibtex.pm:1113> INFO - Decoding LaTeX character macros into UTF-8
[648] bibtex.pm:974> INFO - Found BibTeX data source 'cyclotomic.bib'
[649] Utils.pm:147> WARN - Invalid or undefined BibTeX entry key in file '/tmp/foA0bXDxyk/cyclotomic.bib_2720.utf8', skipping ...
[649] Utils.pm:147> WARN - Invalid or undefined BibTeX entry key in file '/tmp/foA0bXDxyk/cyclotomic.bib_2720.utf8', skipping ...
[649] Utils.pm:147> WARN - Invalid or undefined BibTeX entry key in file '/tmp/foA0bXDxyk/cyclotomic.bib_2720.utf8', skipping ...
[649] Utils.pm:147> WARN - Invalid or undefined BibTeX entry key in file '/tmp/foA0bXDxyk/cyclotomic.bib_2720.utf8', skipping ...
[649] Utils.pm:147> WARN - Invalid or undefined BibTeX entry key in file '/tmp/foA0bXDxyk/cyclotomic.bib_2720.utf8', skipping ...
[650] Utils.pm:147> WARN - Invalid or undefined BibTeX entry key in file '/tmp/foA0bXDxyk/cyclotomic.bib_2720.utf8', skipping ...
[680] Utils.pm:163> ERROR - BibTeX subsystem: /tmp/foA0bXDxyk/cyclotomic.bib_2720.utf8, line 3, syntax error: found ",", expected one of: number, name (entry type, key, field, or macro name), end of entry ("}" or ")") or quoted string ({...} or "...")
[681] Biber.pm:109> INFO - WARNINGS: 6
[681] Biber.pm:113> INFO - ERRORS: 1