Hi, 2017-12-05 2:56 GMT+01:00 Jerry Huang <jhuang37050 at gmail.com>: please open MSYS2 terminal (mingw64_shell.bat) and run OSGEO4W_POSTFIX=64 ./mswindows/osgeo4w/package.sh than post package.log to ML. Ma -- Martin Landa http://geo.fsv.cvut.cz/gwiki/Landa http://gismentors.cz/mentors/landa