Could not find a Drupal settings.php file at ./sites/default/settings.php.

Just installed 1st octopus instance (the main Barracuda instance runs fine) this morning on Debian 6, 64bit server - hosted on real hardware, not VPS. Server was blank with minimal server install, as recommended. Has 4 gigs of ram...

When I try to add site, via the GUI at o1.mysite.domain.com, to any pre-existing platform (bundled with Octopus), get this:

Submitted by admin on Mon, 11/14/2011 - 23:32
Site: stagingd6.domain.com
Status: Failed
Executed: Mon, 11/14/2011 - 23:33
Execution time: 0 sec

Log message
Task starts processing
Running: /data/disk/o1/tools/drush/drush.php --uri='stagingd6.domain.com' provision-save '@stagingd6.domain.com' --backend 2>&1
Bootstrap to phase 0.
Drush bootstrap phase : _drush_bootstrap_drush()
Bootstrap to phase 0.
Found command: provision-save (commandfile=provision)
Initializing drush commandfile: drush_make
Initializing drush commandfile: drush_make_d_o
Initializing drush commandfile: provision
Load alias @self
Load alias @server_master
Loading mysql driver for the db service
Loading nginx driver for the http service
Load alias @platform_Drupal622S001
Initializing drush commandfile: user
Load alias @stagingd6.domain.om
Template loaded: /data/disk/o1/.drush/provision/provision_drushrc_alias.tpl.php
file_put_contents(): Only 0 of 656 bytes written, possibly out of free disk space provision.file.inc:430
Could not generate Drush configuration file
Changed permissions of /data/disk/o1/.drush/stagingd6.domain.com.alias.drushrc.php to 440
Command dispatch complete
Peak memory usage was 10.73 MB
Running: /data/disk/o1/tools/drush/drush.php @stagingd6.domain.com provision-install --backend 2>&1
Bootstrap to phase 0.
Drush bootstrap phase : _drush_bootstrap_drush()
Load alias @stagingd6.domain.com
Bootstrap to phase 5.
Drush bootstrap phase : _drush_bootstrap_drupal_root()
Loading drushrc "/data/disk/o1/aegir/distro/001/drushrc.php" into "drupal" scope.
Initialized Drupal 6.22 root directory at /data/disk/o1/aegir/distro/001
The drush command '@stagingd6.domain.com provision-install' could not be found.
Could not find a Drupal settings.php file at ./sites/default/settings.php.
Command dispatch complete
Peak memory usage was 26.55 MB

What's up?