Added MoodleRestStrings.getString
Call works if you comment out line 90 in moodle/lib/external/externallib.php
Bug in Moodle 2.6
Also added try/catch in MoodleCallRestWebservice.call method to trap the null when debugging and there is not enough depth to have a parent node.
Added MoodleRestStrings.getString
Call works if you comment out line 90 in moodle/lib/external/externallib.php
Bug in Moodle 2.6
Also added try/catch in MoodleCallRestWebservice.call method to trap the null when debugging and there is not enough depth to have a parent node.