Thank you Paolo and Jose. The advise from Marco Govoni is to use QE version 6.1. I was able to compile WEST within QE 6.1. Eduardo Menendez Proupin -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.quantum-espresso.org/pipermail/users/attachments/20180102/dddc34f5/attachment.html>