diff --git a/application/Espo/Controllers/Admin.php b/application/Espo/Controllers/Admin.php
index 5a2b659bbe..34bd24187c 100644
--- a/application/Espo/Controllers/Admin.php
+++ b/application/Espo/Controllers/Admin.php
@@ -106,14 +106,15 @@ class Admin
 
 
     /**
-     * @todo Use Request.
-     *
      * @param array<string,mixed> $params
      * @param string $data
      * @return array{
      *   id: string,
      *   version: string,
      * }
+     * @throws Forbidden
+     * @todo Use Request.
+     *
      */
     public function postActionUploadUpgradePackage($params, $data): array
     {
@@ -134,6 +135,9 @@ class Admin
         ];
     }
 
+    /**
+     * @throws Forbidden
+     */
     public function postActionRunUpgrade(Request $request): bool
     {
         $data = $request->getParsedBody();
diff --git a/application/Espo/Core/Api/ActionProcessor.php b/application/Espo/Core/Api/ActionProcessor.php
index 391b0d6d60..21f00defa8 100644
--- a/application/Espo/Core/Api/ActionProcessor.php
+++ b/application/Espo/Core/Api/ActionProcessor.php
@@ -135,6 +135,7 @@ class ActionProcessor
 
     /**
      * @param mixed $result
+     * @throws \JsonException
      */
     private function handleResult(Response $response, $result): void
     {
diff --git a/application/Espo/Core/Application.php b/application/Espo/Core/Application.php
index b5e4f41f51..1c2c146d60 100644
--- a/application/Espo/Core/Application.php
+++ b/application/Espo/Core/Application.php
@@ -160,6 +160,7 @@ class Application
 
     /**
      * Setup the system user. The system user is used when no user is logged in.
+     * @throws Exceptions\Error
      */
     public function setupSystemUser(): void
     {
diff --git a/application/Espo/Core/ApplicationUser.php b/application/Espo/Core/ApplicationUser.php
index cb1d58aee6..e7b166bd71 100644
--- a/application/Espo/Core/ApplicationUser.php
+++ b/application/Espo/Core/ApplicationUser.php
@@ -58,6 +58,7 @@ class ApplicationUser
 
     /**
      * Setup the system user as a current user. The system user is used when no user is logged in.
+     * @throws Error
      */
     public function setupSystemUser(): void
     {
diff --git a/application/Espo/Core/Formula/Functions/EntityGroup/AddLinkMultipleIdType.php b/application/Espo/Core/Formula/Functions/EntityGroup/AddLinkMultipleIdType.php
index a2817edb5f..15ef60ab92 100644
--- a/application/Espo/Core/Formula/Functions/EntityGroup/AddLinkMultipleIdType.php
+++ b/application/Espo/Core/Formula/Functions/EntityGroup/AddLinkMultipleIdType.php
@@ -35,6 +35,7 @@ class AddLinkMultipleIdType extends \Espo\Core\Formula\Functions\Base
 {
     /**
      * @return void
+     * @throws Error
      */
     public function process(\stdClass $item)
     {
diff --git a/application/Espo/Core/Upgrades/ActionManager.php b/application/Espo/Core/Upgrades/ActionManager.php
index 53493fade7..8afc41733e 100644
--- a/application/Espo/Core/Upgrades/ActionManager.php
+++ b/application/Espo/Core/Upgrades/ActionManager.php
@@ -118,6 +118,7 @@ class ActionManager
     /**
      * @param mixed $data
      * @return mixed
+     * @throws Error
      */
     public function run($data)
     {
@@ -129,6 +130,7 @@ class ActionManager
     /**
      * @param string $actionName
      * @return \Espo\Core\Upgrades\Actions\Base
+     * @throws Error
      */
     public function getActionClass($actionName)
     {
@@ -137,6 +139,7 @@ class ActionManager
 
     /**
      * @return array<string,mixed>
+     * @throws Error
      */
     public function getManifest()
     {
@@ -146,6 +149,7 @@ class ActionManager
     /**
      * @param ?string $actionName
      * @return \Espo\Core\Upgrades\Actions\Base
+     * @throws Error
      */
     protected function getObject($actionName = null)
     {
diff --git a/application/Espo/Core/Utils/AdminNotificationManager.php b/application/Espo/Core/Utils/AdminNotificationManager.php
index 56c91d8f7d..174010245a 100644
--- a/application/Espo/Core/Utils/AdminNotificationManager.php
+++ b/application/Espo/Core/Utils/AdminNotificationManager.php
@@ -64,6 +64,7 @@ class AdminNotificationManager
 
     /**
      * @return array<int,array{id:string,type:string,message:string}>
+     * @throws \Espo\Core\Exceptions\Error
      */
     public function getNotificationList(): array
     {
diff --git a/application/Espo/Core/Utils/Client/ActionRenderer.php b/application/Espo/Core/Utils/Client/ActionRenderer.php
index 27a2aa3cf7..dccd189656 100644
--- a/application/Espo/Core/Utils/Client/ActionRenderer.php
+++ b/application/Espo/Core/Utils/Client/ActionRenderer.php
@@ -46,6 +46,8 @@ class ActionRenderer
 
     /**
      * @param ?array<string,mixed> $data
+     * @throws \JsonException
+     * @throws \JsonException
      */
     public function render(string $controller, string $action, ?array $data = null): string
     {
diff --git a/application/Espo/Modules/Crm/Controllers/Activities.php b/application/Espo/Modules/Crm/Controllers/Activities.php
index 81771202be..7b1366c8f0 100644
--- a/application/Espo/Modules/Crm/Controllers/Activities.php
+++ b/application/Espo/Modules/Crm/Controllers/Activities.php
@@ -30,8 +30,10 @@
 namespace Espo\Modules\Crm\Controllers;
 
 use Espo\Core\Exceptions\{
+    Error,
     Forbidden,
     BadRequest,
+    NotFound,
 };
 
 use Espo\Core\{
@@ -71,6 +73,9 @@ class Activities
 
     /**
      * @return array<int,array<string,mixed>>
+     * @throws Forbidden
+     * @throws BadRequest
+     * @throws \Exception
      */
     public function getActionListCalendarEvents(Request $request): array
     {
@@ -119,6 +124,10 @@ class Activities
         return $this->service->getEventList($userId, $from, $to, $scopeList);
     }
 
+    /**
+     * @throws BadRequest
+     * @throws Forbidden
+     */
     public function getActionGetTimeline(Request $request): stdClass
     {
         if (!$this->acl->check('Calendar')) {
@@ -159,6 +168,9 @@ class Activities
         return $this->service->getUsersTimeline($userIdList, $from, $to, $scopeList);
     }
 
+    /**
+     * @throws Forbidden
+     */
     public function getActionListUpcoming(Request $request): stdClass
     {
         $userId = $request->getQueryParam('userId');
@@ -197,6 +209,9 @@ class Activities
         return $this->service->getPopupNotifications($userId);
     }
 
+    /**
+     * @throws BadRequest
+     */
     public function postActionRemovePopupNotification(Request $request): bool
     {
         $data = $request->getParsedBody();
@@ -212,6 +227,12 @@ class Activities
         return true;
     }
 
+    /**
+     * @throws BadRequest
+     * @throws Error
+     * @throws Forbidden
+     * @throws NotFound
+     */
     public function getActionList(Request $request): stdClass
     {
         $params = $request->getRouteParams();
diff --git a/application/Espo/Modules/Crm/Services/Activities.php b/application/Espo/Modules/Crm/Services/Activities.php
index 064d928bcd..1808782fe3 100644
--- a/application/Espo/Modules/Crm/Services/Activities.php
+++ b/application/Espo/Modules/Crm/Services/Activities.php
@@ -931,6 +931,7 @@ class Activities implements
      * }
      * @throws NotFound
      * @throws Error
+     * @throws Forbidden
      */
     public function getActivities(string $scope, string $id, array $params = []): array
     {
@@ -1582,6 +1583,7 @@ class Activities implements
      * @param string[] $userIdList
      * @param ?string[] $scopeList
      * @return array<string,mixed>[]
+     * @throws Exception
      */
     public function getEventsForUsers(array $userIdList, string $from, string $to, ?array $scopeList = null): array
     {
@@ -1624,6 +1626,7 @@ class Activities implements
      * @param string[] $teamIdList
      * @param ?string[] $scopeList
      * @return array<int,array<string,mixed>>
+     * @throws Forbidden
      */
     public function getEventsForTeams(array $teamIdList, string $from, string $to, ?array $scopeList = null): array
     {
@@ -1634,6 +1637,7 @@ class Activities implements
      * @param string[] $teamIdList
      * @param ?string[] $scopeList
      * @return array<int,array<string,mixed>>
+     * @throws Forbidden
      */
     public function getTeamsEventList(array $teamIdList, string $from, string $to, ?array $scopeList = null): array
     {
@@ -1708,6 +1712,7 @@ class Activities implements
      * @param ?string[] $scopeList
      * @param ?array<int,array<string,mixed>> $ignoreEventList
      * @return stdClass[]
+     * @throws NotFound
      */
     public function getBusyRangeList(
         string $userId,
@@ -1825,6 +1830,7 @@ class Activities implements
      * @param ?string[] $scopeList
      * @return array<int,array<string,mixed>>
      * @throws NotFound
+     * @throws Forbidden
      */
     public function getEventList(
         string $userId,
@@ -1929,6 +1935,7 @@ class Activities implements
 
     /**
      * @return array<int,array<string,mixed>>
+     * @throws Exception
      */
     public function getPopupNotifications(string $userId): array
     {
@@ -2012,6 +2019,7 @@ class Activities implements
      *   total: int,
      *   list: stdClass[],
      * }
+     * @throws Forbidden
      */
     public function getUpcomingActivities(
         string $userId,
diff --git a/application/Espo/Services/AdminNotifications.php b/application/Espo/Services/AdminNotifications.php
index 66778f9f9f..99465f4e9d 100644
--- a/application/Espo/Services/AdminNotifications.php
+++ b/application/Espo/Services/AdminNotifications.php
@@ -53,6 +53,7 @@ class AdminNotifications implements
 
     /**
      * Job for checking a new version of EspoCRM.
+     * @throws \Espo\Core\Exceptions\Error
      */
     public function jobCheckNewVersion(): void
     {
@@ -96,6 +97,7 @@ class AdminNotifications implements
 
     /**
      * Job for checking a new version of installed extensions.
+     * @throws \Espo\Core\Exceptions\Error
      */
     public function jobCheckNewExtensionVersion(): void
     {
diff --git a/application/Espo/Services/App.php b/application/Espo/Services/App.php
index c3a4047b01..751945370b 100644
--- a/application/Espo/Services/App.php
+++ b/application/Espo/Services/App.php
@@ -425,6 +425,7 @@ class App
     }
 
     /**
+     * @throws \Espo\Core\Exceptions\Error
      * @todo Remove in 7.2. Move to another place. CLI command.
      */
     public function jobPopulateArrayValues(): void