diff --git a/CRM/Contact/BAO/Contact/Utils.php b/CRM/Contact/BAO/Contact/Utils.php
index a1c22621351d..5f3a49995388 100644
--- a/CRM/Contact/BAO/Contact/Utils.php
+++ b/CRM/Contact/BAO/Contact/Utils.php
@@ -29,6 +29,7 @@ class CRM_Contact_BAO_Contact_Utils {
    *   If profile overlay class should be added.
    *
    * @return string
+   * @throws \CRM_Core_Exception
    */
   public static function getImage($contactType, $urlOnly = FALSE, $contactId = NULL, $addProfileOverlay = TRUE) {
     static $imageInfo = [];
@@ -136,6 +137,7 @@ public static function checkContactType(&$contactIds) {
    *
    * @return array
    *   ( $cs, $ts, $live )
+   * @throws \CRM_Core_Exception
    */
   public static function generateChecksum($entityId, $ts = NULL, $live = NULL, $hash = NULL, $entityType = 'contact', $hashSize = NULL) {
     // return a warning message if we dont get a entityId
@@ -200,6 +202,8 @@ public static function generateChecksum($entityId, $ts = NULL, $live = NULL, $ha
    *
    * @return bool
    *   true if valid, else false
+   *
+   * @throws \CRM_Core_Exception
    */
   public static function validChecksum($contactID, $inputCheck) {
 
@@ -236,6 +240,8 @@ public static function validChecksum($contactID, $inputCheck) {
    * @param int $previousEmployerID
    * @param bool $newContact
    *
+   * @throws \CRM_Core_Exception
+   * @throws \CiviCRM_API3_Exception
    */
   public static function createCurrentEmployerRelationship($contactID, $organization, $previousEmployerID = NULL, $newContact = FALSE) {
     //if organization name is passed. CRM-15368,CRM-15547
@@ -266,7 +272,7 @@ public static function createCurrentEmployerRelationship($contactID, $organizati
       // get the relationship type id of "Employee of"
       $relTypeId = CRM_Core_DAO::getFieldValue('CRM_Contact_DAO_RelationshipType', 'Employee of', 'id', 'name_a_b');
       if (!$relTypeId) {
-        CRM_Core_Error::fatal(ts("You seem to have deleted the relationship type 'Employee of'"));
+        throw new CRM_Core_Exception(ts("You seem to have deleted the relationship type 'Employee of'"));
       }
 
       // create employee of relationship
@@ -312,6 +318,7 @@ public static function createCurrentEmployerRelationship($contactID, $organizati
    * @param int $previousEmpID
    *
    * @throws CiviCRM_API3_Exception
+   * @throws \CRM_Core_Exception
    */
   public static function currentEmployerRelatedMembership($contactID, $employerID, $relationshipParams, $duplicate = FALSE, $previousEmpID = NULL) {
     $ids = [];
@@ -374,6 +381,9 @@ public static function updateCurrentEmployer($organizationId) {
    *   Contact id ( mostly individual contact id).
    * @param int $employerId
    *   Contact id ( mostly organization contact id).
+   *
+   * @throws \CRM_Core_Exception
+   * @throws \CiviCRM_API3_Exception
    */
   public static function clearCurrentEmployer($contactId, $employerId = NULL) {
     $query = "UPDATE civicrm_contact
@@ -390,7 +400,7 @@ public static function clearCurrentEmployer($contactId, $employerId = NULL) {
       //get the relationship type id of "Employee of"
       $relTypeId = CRM_Core_DAO::getFieldValue('CRM_Contact_DAO_RelationshipType', 'Employee of', 'id', 'name_a_b');
       if (!$relTypeId) {
-        CRM_Core_Error::fatal(ts("You seem to have deleted the relationship type 'Employee of'"));
+        throw new CRM_Core_Exception(ts("You seem to have deleted the relationship type 'Employee of'"));
       }
       $relMembershipParams['relationship_type_id'] = $relTypeId . '_a_b';
       $relMembershipParams['contact_check'][$employerId] = 1;
@@ -424,6 +434,7 @@ public static function clearCurrentEmployer($contactId, $employerId = NULL) {
    * @param string $title
    *   fieldset title.
    *
+   * @throws \CiviCRM_API3_Exception
    */
   public static function buildOnBehalfForm(&$form, $contactType, $countryID, $stateID, $title) {
     $form->assign('contact_type', $contactType);
@@ -902,7 +913,7 @@ public static function updateGreeting($params) {
     $allGreetings = CRM_Core_PseudoConstant::greeting($filter);
     $originalGreetingString = $greetingString = CRM_Utils_Array::value($valueID, $allGreetings);
     if (!$greetingString) {
-      CRM_Core_Error::fatal(ts('Incorrect greeting value id %1, or no default greeting for this contact type and greeting type.', [1 => $valueID]));
+      throw new CRM_Core_Exception(ts('Incorrect greeting value id %1, or no default greeting for this contact type and greeting type.', [1 => $valueID]));
     }
 
     // build return properties based on tokens
@@ -1119,7 +1130,9 @@ public static function processGreetingTemplate(&$templateString, $contactDetails
    *
    * @param int $contactId
    *   The hypothetical contact ID
+   *
    * @return bool
+   * @throws \CRM_Core_Exception
    */
   public static function isContactId($contactId) {
     if ($contactId) {