This bug was fixed in the package modemmanager - 1.10.0-1ubuntu0.19.04.1
--------------- modemmanager (1.10.0-1ubuntu0.19.04.1) disco; urgency=medium
* debian/patches/error-propagation-fix.patch: mm-broadband-modem: Fix error propagation in CDMA service status (LP: #1828102, Upstream Issue #119).
-- Till Kamppeter <email address hidden> Mon, 13 May 2019 19:19:19 +0200
This bug was fixed in the package modemmanager - 1.10.0- 1ubuntu0. 19.04.1
--------------- 1ubuntu0. 19.04.1) disco; urgency=medium
modemmanager (1.10.0-
* debian/ patches/ error-propagati on-fix. patch: mm-broadband-modem: Fix error
propagation in CDMA service status (LP: #1828102, Upstream Issue #119).
-- Till Kamppeter <email address hidden> Mon, 13 May 2019 19:19:19 +0200