Before reaching out, consider glancing through our extensive FAQs for the MAX flagship codes. These pages can provide instant solutions and deepen your understanding of specific issues:
Quantum ESPRESSO – https://www.quantum-espresso.org/resources/faq
Yambo – http://www.yambo-code.org/faq/
Cp2k – https://www.cp2k.org/faq
AiiDA – http://www.aiida.net/faq/
Fleur – https://www.flapw.de/MaX-4.0/documentation/errorMessages/
Siesta – https://www.mail-archive.com/
BigDFT – https://gitlab.com/l_sim/bigdft-suite/-/issues
Additionally, HPC facility FAQs provide solutions for various practical issues. Explore the FAQs for
CINECA – https://wiki.u-gov.it/confluence/display/SCAIUS/FAQ
BSC – https://www.bsc.es/user-support/faq.php
Juelich – https://www.fz-juelich.de/portal/EN/Service/visitor-service/FAQ/_node.html
ETHZ – https://ethz.ch/en/studies/registration-application/master/application/faq.html