install libgcj4-dev cacti gnubg kronolith ppp Building the package cache... Initializing package resolver and worker... E: invalid version string '0.78_02-1' W: error while parsing a version for the package 'perl-modules' Scheduling requested actions... Resolving possible unmet dependencies... W: version string 'M17-1': first upstream character 'M' is not a digit W: version string 'M17-1': first upstream character 'M' is not a digit W: some solutions were dropped, you may want to increase the value of the 'cupt::resolver::max-solution-count' option E: unable to resolve dependencies, because of: libxmu-dev 1:1.0.2-2 depends on 'libxmu6 (= 1:1.0.2-2)' -> no solutions libxmu6 4.3.0.dfsg.1-14sarge7 depends on 'xfree86-common' -> removed libxmu6 x11-common 1:7.1.0-19 conflicts with 'xfree86-common' -> removed xfree86-common libxinerama1 1:1.0.1-4.1 depends on 'x11-common' -> installed x11-common 1:7.1.0-19 libgtk2.0-0 2.8.20-7 depends on 'libxinerama1' -> installed libxinerama1 1:1.0.1-4.1 gnubg 0.14.3+20060923-4 depends on 'libgtk2.0-0 (>= 2.8.0)' -> installed libgtk2.0-0 2.8.20-7 libxmu-dev 4.3.0.dfsg.1-14sarge7 depends on 'libxmu6 (= 4.3.0.dfsg.1-14sarge7)' -> installed libxmu-dev 1:1.0.2-2 libxmu6 4.3.0.dfsg.1-14sarge7 depends on 'xfree86-common' -> removed libxmu6 x11-common 1:7.1.0-19 conflicts with 'xfree86-common' -> removed xfree86-common libxinerama1 1:1.0.1-4.1 depends on 'x11-common' -> installed x11-common 1:7.1.0-19 libgtk2.0-0 2.8.20-7 depends on 'libxinerama1' -> installed libxinerama1 1:1.0.1-4.1 gnubg 0.14.3+20060923-4 depends on 'libgtk2.0-0 (>= 2.8.0)' -> installed libgtk2.0-0 2.8.20-7 E: error performing the command 'install'