if (null !== $this->) {
    $this->set<br />
<b>Fatal error</b>:  Uncaught Error: Call to a member function getPhpName() on null in C:\Program Files (x86)\Dapodik\dataweb\apps\vendor\propel\propel1\generator\lib\behavior\aggregate_column\templates\objectPostSave.php:2
Stack trace:
#0 {main}
  thrown in <b>C:\Program Files (x86)\Dapodik\dataweb\apps\vendor\propel\propel1\generator\lib\behavior\aggregate_column\templates\objectPostSave.php</b> on line <b>2</b><br />