Warning: A non-numeric value encountered in CRM_Event_Form_Registration_Confirm->buildQuickForm() (line 264 of /public_html/sites/all/modules/civicrm/CRM/Event/Form/Registration/Confirm.php)

Notice: Undefined offset: 0 in CRM_Grant_BAO_Query::where() (line 116 of /public_html/sites/all/modules/civicrm/CRM/Grant/BAO/Query.php).

/*CRM-16320 */
      $individual[$k]['totalAmtWithTax'] = $this->_amount[$k]['amount'];
      $individual[$k]['totalTaxAmt'] = $individualTaxAmount + $v['tax_amount'];
      $this->_totalAmount = $this->_totalAmount + $this->_amount[$k]['amount'];
      if (!empty($v['is_primary'])) {
        $this->set('primaryParticipantAmount', $this->_amount[$k]['amount']);