typelib-1_0-Gucharmap-2_90 from X11:MATE:Current project

Select Your Operating System

For SLE 15 SP1 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/X11:MATE:Current/SLE_15_SP1/X11:MATE:Current.repo
zypper refresh
zypper install typelib-1_0-Gucharmap-2_90