/**
 * Computes the value of the aggregate column <br />
<b>Fatal error</b>:  Uncaught Error: Call to a member function getName() on null in C:\Program Files (x86)\Dapodik\dataweb\apps\vendor\propel\propel1\generator\lib\behavior\aggregate_column\templates\objectCompute.php:3
Stack trace:
#0 {main}
  thrown in <b>C:\Program Files (x86)\Dapodik\dataweb\apps\vendor\propel\propel1\generator\lib\behavior\aggregate_column\templates\objectCompute.php</b> on line <b>3</b><br />