this is trying to use xterminal to install my paint

/home/user # apt-get install mypaint
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer required:
pidgin-facebookchat python-glade2
Use 'apt-get autoremove' to remove them.
The following extra packages will be installed:
libblas3gf liblapack3gf python-numpy python-protobuf
Suggested packages:
python-numpy-doc python-numpy-dbg python-nose
Recommended packages:
protobuf-compiler
The following NEW packages will be installed:
libblas3gf liblapack3gf mypaint python-numpy
python-protobuf
0 upgraded, 5 newly installed, 0 to remove and 13 not upgraded.
1 not fully installed or removed.
Need to get 12.1MB of archives.
After this operation, 24.7MB of additional disk space will be used.
Do you want to continue [Y/n]? y
Get:1 http://repository.maemo.org fremantle-1.2/free libblas3gf 1.2-2maemo2 [243kB]
Get:2 http://repository.maemo.org fremantle-1.2/free liblapack3gf 3.1.1-6maemo2 [3351kB]
Get:3 http://repository.maemo.org fremantle-1.2/free python-numpy 1:1.4.0-1maemo2 [1483kB]
Get:4 http://repository.maemo.org fremantle-1.2/free python-protobuf 2.0.3-2.2-maemo1 [44.0kB]
Get:5 http://repository.maemo.org fremantle/free mypaint 0.8.2-1maemo24 [6942kB]
Fetched 12.1MB in 18s (645kB/s)
dpkg: parse error, in file `/var/lib/dpkg/available' near line 13013 package `offscr-level':
field name `MKH' must be followed by colon
E: Sub-process /usr/bin/dpkg returned an error code (2)
/home/user #