Creating default object from empty value warning in scorm

Creating a scorm activity using the process in MDL-44066 (not sure if its important or not). I received the following warning.

Warning: Creating default object from empty value in /home/andrew/Desktop/code/moodle/int/master/mod/scorm/datamodels/scormlib.php on line 359
Call Stack

1. Time Memory Function Location
   1 0.0014 367840
   Unknown macro: {main}

   ( ) ../modedit.php:0
   2 0.2862 8572704 add_moduleinfo( ) ../modedit.php:270
   3 0.2906 8630272 scorm_add_instance( ) ../modlib.php:105
   4 0.3259 8813464 scorm_parse( ) ../lib.php:162
   5 0.3384 9111088 scorm_parse_scorm( ) ../locallib.php:277
   6 0.3458 9292840 scorm_get_manifest( ) ../scormlib.php:543
   7 0.3460 9294344 scorm_get_manifest( ) ../scormlib.php:75
   8 0.3461 9295712 scorm_get_manifest( ) ../scormlib.php:95
   9 0.3462 9429880 scorm_get_manifest( ) ../scormlib.php:115
   10 0.3463 9434432 scorm_get_manifest( ) ../scormlib.php:163

It appears five times but they are all identical.