If lime_surveys field attributedescriptions is not an array this warning is thrown in /application/models/Survey.php(667)

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• @access public
  656 @return array
  657 /
  658 public function getTokenAttributes()
  659 {
  660 $attdescriptiondata = decodeTokenAttributes($this->attributedescriptions);
  661 // checked for invalid data
  662 if ($attdescriptiondata == null) {
  663 return array();
  664 }
  665
  666 // Catches malformed data
  667 if ($attdescriptiondata && strpos(key(reset($attdescriptiondata)), 'attribute_') === false) {
  668 // don't know why yet but this breaks normal tokenAttributes functionning
  669 //$attdescriptiondata=array_flip(GetAttributeFieldNames($this->sid));
  670 } elseif (is_null($attdescriptiondata)) {
  671 $attdescriptiondata = array();
  672 }
  673 // Legacy records support
  674 if ($attdescriptiondata === false) {
  675 $attdescriptiondata = explode("\n", $this->attributedescriptions);
  676 $fields = array();
  677 $languagesettings = array();
  678 foreach ($attdescriptiondata as $attdescription) {
  679 if (trim($attdescription) != '') {