An unresolvable problem occurred while calculating the upgrade. Please report this bug against the 'update-manager' package and include the following error message:
Ebatzi-ezinezko arazo bat aurkitu da bertsio-berritzea kalkulatzean. Mesedez, eman arazo honen berri 'update-manager' paketearentzat eta erantsi ondorengo errore-mezua: