same here - Evolution+mapi
Downgrading samba did not help
(evolution:9462): libebackend-WARNING **: module_load: /usr/lib/x86_64-linux-gnu/libmapi.so.0: symbol DEBUGLEVEL_CLASS, version SAMBA_UTIL_0.0.1 not defined in file libsamba-util.so.0 with link time reference
Failed to load module: /usr/lib/evolution/3.10/modules/module-mapi-configuration.so
same here - Evolution+mapi
Downgrading samba did not help
(evolution:9462): libebackend-WARNING **: module_load: /usr/lib/ x86_64- linux-gnu/ libmapi. so.0: symbol DEBUGLEVEL_CLASS, version SAMBA_UTIL_0.0.1 not defined in file libsamba-util.so.0 with link time reference evolution/ 3.10/modules/ module- mapi-configurat ion.so
Failed to load module: /usr/lib/