Error after synaptic reload ... synaptic nolonger runs. (Knoppix 7.4.2)

[utu]

Here's what I get, for example:

knoppix@Microknoppix:~$ su
root@Microknoppix:/home/knoppix# aptitude update
W: Ignoring Provides line with DepCompareOp for package php-psr-log-implementation
W: Unknown Multi-Arch type 'no' for package 'compiz-gnome'
W: Unknown Multi-Arch type 'no' for package 'compiz-core'
W: You may want to update the package lists to correct these missing files
Ign http://http.us.debian.org wheezy InRelease
Hit http://http.us.debian.org wheezy Release.gpg                                                                                     
Hit http://http.us.debian.org wheezy Release                               
--------------------------
snip lot of stuff here
--------------------------
W: There is no public key available for the following key IDs:
7638D0442B90D010
W: There is no public key available for the following key IDs:
7638D0442B90D010
W: There is no public key available for the following key IDs:
9D6D8F6BC857C906
W: There is no public key available for the following key IDs:
9D6D8F6BC857C906
W: Ignoring Provides line with DepCompareOp for package php-psr-log-implementation
W: Unknown Multi-Arch type 'no' for package 'compiz-gnome'
W: Unknown Multi-Arch type 'no' for package 'compiz-core'
W: Unknown Multi-Arch type 'no' for package 'compiz-core'
W: Unknown Multi-Arch type 'no' for package 'compiz-gnome'

Current status: 47583 new [+163].
root@Microknoppix:/home/knoppix# lsb_release -rd
Description:    Debian GNU/Linux 7.6 (wheezy)
Release:    7.6

php-psr-log is an uninstalled pkg.