I tried to install back in time and now I keep getting the message 'items cannot be installed or removed until package catalog is repaired. I have tried

sudo apt-get install -f

then get

Reading package lists... Done
Building dependency tree       
Reading state information... Done
Correcting dependencies... Done
The following extra packages will be installed:
  backintime-gnome
The following packages will be upgraded:
  backintime-gnome
1 upgraded, 0 newly installed, 0 to remove and 2 not upgraded.
1 not fully installed or removed.
Need to get 0 B/39.4 kB of archives.
After this operation, 24.6 kB of additional disk space will be used.
Do you want to continue [Y/n]?

when I click Y, I get the following message

dpkg: dependency problems prevent configuration of backintime-gnome:
 backintime-gnome depends on backintime-common (= 1.0.7); however:
  Version of backintime-common on system is 1.0.8-1.
dpkg: error processing backintime-gnome (--configure):
 dependency problems - leaving unconfigured
No apport report written because the error message indicates its a followup error     from a previous failure.
                      Errors were encountered while processing:
 backintime-gnome
E: Sub-process /usr/bin/dpkg returned an error code (1)
stephanie@stephanie-ThinkPad-T61:~$ sudo dpkg --configure -a
dpkg: dependency problems prevent configuration of backintime-gnome:
 backintime-gnome depends on backintime-common (= 1.0.7); however:
  Version of backintime-common on system is 1.0.8-1.    
dpkg: error processing backintime-gnome (--configure):
 dependency problems - leaving unconfigured
Errors were encountered while processing:
 backintime-gnome