Thanks Jorge, this is now fixed. However the restoring of courses from Moodle 1.3 in Moodle 1.6 is quite untested, so please test it and report any problems in the bug tracker.
Testing and QA
Restoring courses designed in moodle 1.3
Энэ мэтгэлцээн түгжигдсэн тул та цаашид хариулт өгөх боломжгүй