The APT::Default-Release identifier is within Synaptic config file at each home directory (for you and root). I have recreated this error by manually editing those files.
Going to /root/.synaptic/synaptic.conf and changing the default distro to precise fixed it for me.
From http:// ubuntuforums. org/showthread. php?p=11403493
The APT::Default- Release identifier is within Synaptic config file at each home directory (for you and root). I have recreated this error by manually editing those files.
Going to /root/. synaptic/ synaptic. conf and changing the default distro to precise fixed it for me.