Coding problem: $PAGE->context was not set. You may have forgotten to call require_login() or $PAGE->set_context(). The page may not display correctly as a result
line 577 of /lib/pagelib.php: call to debugging()
line 1850 of /lib/pagelib.php: call to moodle_page->magic_get_context()
line 761 of /lib/pagelib.php: call to moodle_page->initialise_theme_and_output()
line 1016 of /lib/pagelib.php: call to moodle_page->magic_get_theme()
line 195 of /blocks/exalib/lib/lib.php: call to moodle_page->get_renderer()
line 176 of /blocks/exalib/index.php: call to block_exalib_get_renderer()
