See https://bugsfreebsdorg/bugzilla/show_bugcgi?id=199630 for details and a proposed patch, but I get the same on Fedora 23 with gcc-531-2fc23x86_64 ```ERROR: <core> [sr_modulec:576]: load_module(): could not open module </usr/lib64/kamailio/modules/presence_mwiso>: /usr/lib64/kamailio/modules/presence_mwiso: undefined symbol: eat_printable``` --- Reply to this email directly or view it on GitHub: https://github.com/kamailio/kamailio/issues/502