diff --git a/modules/custom/activity_basics/activity_basics.install b/modules/custom/activity_basics/activity_basics.install
index 0b1db20c69b..68b5f4eb7ed 100644
--- a/modules/custom/activity_basics/activity_basics.install
+++ b/modules/custom/activity_basics/activity_basics.install
@@ -55,7 +55,7 @@ function activity_basics_update_8103() : void {
     $activity_bundle_entity = $config->get('third_party_settings.activity_logger.activity_bundle_entity');
     $config->clear('third_party_settings.activity_logger.activity_bundle_entity');
 
-    $bundle_entity = explode('.', $activity_bundle_entity);
+    $bundle_entity = explode('.', $activity_bundle_entity ?? "");
     $activity_bundle_entity_new = $bundle_entity[0] . '-' . $bundle_entity[1];
     $activity_bundle_entities = [$activity_bundle_entity_new => $activity_bundle_entity_new];
 
diff --git a/modules/custom/download_count/download_count.module b/modules/custom/download_count/download_count.module
index 4a9c43ba161..d1fde547a90 100755
--- a/modules/custom/download_count/download_count.module
+++ b/modules/custom/download_count/download_count.module
@@ -47,7 +47,7 @@ function download_count_file_access(EntityInterface $entity, $operation, Account
     }
 
     // Validate file has extension that should be counted, if not return.
-    $extensions = explode(' ', mb_strtolower(trim($config->get('download_count_excluded_file_extensions'))));
+    $extensions = explode(' ', mb_strtolower(trim($config->get('download_count_excluded_file_extensions') ?? "")));
     $extension = mb_strtolower(pathinfo($entity->getFilename(), PATHINFO_EXTENSION));
     if (in_array($extension, $extensions, TRUE)) {
       return;
diff --git a/modules/custom/social_path_manager/social_path_manager.module b/modules/custom/social_path_manager/social_path_manager.module
index 4c90e0aba06..b0a17bf0054 100644
--- a/modules/custom/social_path_manager/social_path_manager.module
+++ b/modules/custom/social_path_manager/social_path_manager.module
@@ -251,7 +251,7 @@ function _social_path_manager_update_alias(EntityInterface $entity, $op, $bulk =
             $entity_language = $entity->language()->getId();
 
             // Prevent adding alias for default tab.
-            $source_parts = explode('/', $path['source']);
+            $source_parts = explode('/', $path['source'] ?? "");
             if (end($source_parts) === $suffix) {
               continue;
             }
diff --git a/modules/social_features/social_follow_user/social_follow_user.install b/modules/social_features/social_follow_user/social_follow_user.install
index cb6df15b75b..82301322ff9 100644
--- a/modules/social_features/social_follow_user/social_follow_user.install
+++ b/modules/social_features/social_follow_user/social_follow_user.install
@@ -113,7 +113,7 @@ function social_follow_user_uninstall(): void {
 
     if (!empty($config->getRawData())) {
       $pages = $config->get('visibility.request_path.pages');
-      $pages = explode("\r\n", $pages);
+      $pages = explode("\r\n", $pages ?? "");
 
       foreach ($pages as $delta => $page) {
         if (in_array($page, $paths)) {
diff --git a/modules/social_features/social_group/modules/social_group_invite/src/Form/SocialBulkGroupInvitation.php b/modules/social_features/social_group/modules/social_group_invite/src/Form/SocialBulkGroupInvitation.php
index da961e86264..be5040ad909 100644
--- a/modules/social_features/social_group/modules/social_group_invite/src/Form/SocialBulkGroupInvitation.php
+++ b/modules/social_features/social_group/modules/social_group_invite/src/Form/SocialBulkGroupInvitation.php
@@ -502,7 +502,7 @@ public function submitForm(array &$form, FormStateInterface $form_state) {
    *   List of emails to invite .
    */
   private function getSubmittedEmails(FormStateInterface $form_state) {
-    return array_map('trim', array_unique(explode("\r\n", trim($form_state->getValue('email_address')))));
+    return array_map('trim', array_unique(explode("\r\n", trim($form_state->getValue('email_address') ?? ""))));
   }
 
   /**
diff --git a/modules/social_features/social_landing_page/social_landing_page.module b/modules/social_features/social_landing_page/social_landing_page.module
index 27286e5c795..1efcbe8f790 100644
--- a/modules/social_features/social_landing_page/social_landing_page.module
+++ b/modules/social_features/social_landing_page/social_landing_page.module
@@ -75,7 +75,7 @@ function social_landing_page_field_widget_block_field_default_form_alter(&$eleme
 
   // Grab the id.
   $id = $block_settings['#attributes']['id'];
-  $items = explode('-', $id);
+  $items = explode('-', $id ?? "");
 
   // Generate the new state name.
   // We use block id, to get all the parent names
diff --git a/modules/social_features/social_post/modules/social_post_album/src/Element/SocialPostAlbumManagedFile.php b/modules/social_features/social_post/modules/social_post_album/src/Element/SocialPostAlbumManagedFile.php
index ac441df33fd..61c629f990c 100644
--- a/modules/social_features/social_post/modules/social_post_album/src/Element/SocialPostAlbumManagedFile.php
+++ b/modules/social_features/social_post/modules/social_post_album/src/Element/SocialPostAlbumManagedFile.php
@@ -24,7 +24,7 @@ class SocialPostAlbumManagedFile extends ManagedFile {
    */
   public static function uploadAjaxCallback(&$form, FormStateInterface &$form_state, Request $request) {
     $response = parent::uploadAjaxCallback($form, $form_state, $request);
-    $parents = explode('/', $request->query->get('element_parents'));
+    $parents = explode('/', $request->query->get('element_parents') ?? "");
 
     return $response->addCommand(new InvokeCommand(
       '#edit-' . str_replace('_', '-', $parents[0]) . '-wrapper',
diff --git a/modules/social_features/social_profile/src/SocialProfileTrait.php b/modules/social_features/social_profile/src/SocialProfileTrait.php
index 33751b75647..db47d06fb19 100644
--- a/modules/social_features/social_profile/src/SocialProfileTrait.php
+++ b/modules/social_features/social_profile/src/SocialProfileTrait.php
@@ -60,7 +60,7 @@ public function getUserIdsFromName($name, $count, $suggestion_format = SOCIAL_PR
       case SOCIAL_PROFILE_SUGGESTIONS_FULL_NAME:
       case SOCIAL_PROFILE_SUGGESTIONS_ALL:
         if ($this->useFullName()) {
-          $strings = explode(' ', $name);
+          $strings = explode(' ', $name ?? "");
 
           if (count($strings) > 1) {
             $query->where("CONCAT(TRIM(fn.field_profile_first_name_value), ' ', TRIM(ln.field_profile_last_name_value)) LIKE :full_name", [
diff --git a/modules/social_features/social_swiftmail/social_swiftmail.module b/modules/social_features/social_swiftmail/social_swiftmail.module
index bdb3e8963b1..db5d38178c8 100644
--- a/modules/social_features/social_swiftmail/social_swiftmail.module
+++ b/modules/social_features/social_swiftmail/social_swiftmail.module
@@ -30,7 +30,7 @@ function social_swiftmail_preprocess_swiftmailer(array &$variables) {
   $secondary = $colors['brand-secondary'];
   $accent = $colors['brand-accent'];
   $link = $colors['brand-link'];
-  $border_radius = Xss::filter(theme_get_setting('border_radius', $theme_id));
+  $border_radius = Xss::filter(theme_get_setting('border_radius', $theme_id) ?? "");
 
   // Add variables to send to the html template.
   $variables['logo'] = $logo;
@@ -117,7 +117,7 @@ function social_swiftmail_preprocess_swiftmailer(array &$variables) {
     }
 
     $disabled_greeting_keys = $social_swiftmail_config->get("disabled_user_greeting_keys");
-    $disabled_greeting_keys = explode("\r\n", $disabled_greeting_keys);
+    $disabled_greeting_keys = explode("\r\n", $disabled_greeting_keys ?? "");
     $replace = [
       '@display_name' => $display_name,
     ];