David Mudrak reported:

When visiting the main page, I get:

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 503 of /lib/pagelib.php: call to debugging()
line 830 of /lib/pagelib.php: call to moodle_page->magic_get_context()
line 1456 of /lib/weblib.php: call to moodle_page->__get()
line 1233 of /lib/pagelib.php: call to format_string()
line 39 of /admin/tool/translationmanager/index.php: call to moodle_page->set_title()}}

https://github.com/moodlehq/tool_translationmanager/issues/2