diff --git a/assets/vue/services/sessionService.js b/assets/vue/services/sessionService.js
index 9c338c29f38..4f53e483414 100644
--- a/assets/vue/services/sessionService.js
+++ b/assets/vue/services/sessionService.js
@@ -13,10 +13,17 @@ async function findUserSubscriptions(userIri, listType) {
 export default {
   /**
    * @param {string} iri
+   * @param useBasic
    * @returns {Promise<Object>}
    */
-  async find(iri) {
-    const { data } = await api.get(iri)
+  async find(iri, useBasic = false) {
+    const endpoint = iri
+    const groups = useBasic ? ['session:basic'] : ['session:read']
+    const { data } = await api.get(endpoint, {
+      params: {
+        'groups[]': groups
+      }
+    })
 
     return data
   },
diff --git a/assets/vue/store/cidReq.js b/assets/vue/store/cidReq.js
index c0211dba3ee..fde93cb08a2 100644
--- a/assets/vue/store/cidReq.js
+++ b/assets/vue/store/cidReq.js
@@ -78,7 +78,7 @@ export const useCidReqStore = defineStore("cidReq", () => {
     }
   }
 
-  const setSessionByIri = async (sId) => {
+  const setSessionByIri = async (sId, useBasic = true) => {
     const sessionIri = `/api/sessions/${sId}`
 
     if (session.value && sessionIri === session.value["@id"]) {
@@ -86,13 +86,13 @@ export const useCidReqStore = defineStore("cidReq", () => {
     }
 
     try {
-      session.value = await sessionService.find(sessionIri)
+      session.value = await sessionService.find(sessionIri, useBasic)
     } catch (error) {
       console.error(error)
     }
   }
 
-  const setCourseAndSessionById = (cId, sId = undefined) => {
+  const setCourseAndSessionById = (cId, sId = undefined, useBasic = true) => {
     if (!cId) {
       return Promise.resolve()
     }
@@ -103,7 +103,7 @@ export const useCidReqStore = defineStore("cidReq", () => {
       return coursePromise
     }
 
-    const sessionPromise = setSessionByIri(sId)
+    const sessionPromise = setSessionByIri(sId, useBasic)
 
     return Promise.all([coursePromise, sessionPromise])
   }
diff --git a/src/CoreBundle/Entity/Session.php b/src/CoreBundle/Entity/Session.php
index 70cb652f092..b5c002d9e70 100644
--- a/src/CoreBundle/Entity/Session.php
+++ b/src/CoreBundle/Entity/Session.php
@@ -6,6 +6,7 @@
 
 namespace Chamilo\CoreBundle\Entity;
 
+use ApiPlatform\Core\Serializer\Filter\GroupFilter;
 use ApiPlatform\Doctrine\Orm\Filter\OrderFilter;
 use ApiPlatform\Doctrine\Orm\Filter\SearchFilter;
 use ApiPlatform\Metadata\ApiFilter;
@@ -34,8 +35,9 @@
 #[ApiResource(
     operations: [
         new Get(
+            uriTemplate: '/sessions/{id}',
             normalizationContext: [
-                'groups' => ['session:read', 'session:item:read'],
+                'groups' => ['session:basic'],
             ],
             security: "is_granted('ROLE_ADMIN') or is_granted('VIEW', object)"
         ),
@@ -95,7 +97,7 @@
         new Post(security: "is_granted('ROLE_ADMIN')"),
         new Delete(security: "is_granted('DELETE', object)"),
     ],
-    normalizationContext: ['groups' => ['session:read']],
+    normalizationContext: ['groups' => ['session:basic']],
     denormalizationContext: ['groups' => ['session:write']],
     security: "is_granted('ROLE_ADMIN')"
 )]
@@ -104,9 +106,10 @@
 #[ORM\EntityListeners([SessionListener::class])]
 #[ORM\Entity(repositoryClass: SessionRepository::class)]
 #[UniqueEntity('title')]
-#[ApiFilter(filterClass: SearchFilter::class, properties: ['title' => 'partial'])]
-#[ApiFilter(filterClass: PropertyFilter::class)]
-#[ApiFilter(filterClass: OrderFilter::class, properties: ['id', 'title'])]
+#[ApiFilter(SearchFilter::class, properties: ['title' => 'partial'])]
+#[ApiFilter(PropertyFilter::class)]
+#[ApiFilter(OrderFilter::class, properties: ['id', 'title'])]
+#[ApiFilter(GroupFilter::class, arguments: ['parameterName' => 'groups'])]
 class Session implements ResourceWithAccessUrlInterface, Stringable
 {
     public const READ_ONLY = 1;
@@ -121,6 +124,7 @@ class Session implements ResourceWithAccessUrlInterface, Stringable
     public const SESSION_ADMIN = 4;
 
     #[Groups([
+        'session:basic',
         'session:read',
         'session_rel_user:read',
         'session_rel_course_rel_user:read',
@@ -147,6 +151,7 @@ class Session implements ResourceWithAccessUrlInterface, Stringable
         mappedBy: 'session',
         targetEntity: SessionRelCourse::class,
         cascade: ['persist'],
+        fetch: 'EXTRA_LAZY',
         orphanRemoval: true
     )]
     protected Collection $courses;
@@ -161,6 +166,7 @@ class Session implements ResourceWithAccessUrlInterface, Stringable
         mappedBy: 'session',
         targetEntity: SessionRelUser::class,
         cascade: ['persist', 'remove'],
+        fetch: 'EXTRA_LAZY',
         orphanRemoval: true
     )]
     protected Collection $users;
@@ -219,6 +225,7 @@ class Session implements ResourceWithAccessUrlInterface, Stringable
 
     #[Assert\NotBlank]
     #[Groups([
+        'session:basic',
         'session:read',
         'session:write',
         'session_rel_course_rel_user:read',
@@ -233,6 +240,7 @@ class Session implements ResourceWithAccessUrlInterface, Stringable
     protected string $title;
 
     #[Groups([
+        'session:basic',
         'session:read',
         'session:write',
     ])]
@@ -250,11 +258,11 @@ class Session implements ResourceWithAccessUrlInterface, Stringable
     #[ORM\Column(name: 'duration', type: 'integer', nullable: true)]
     protected ?int $duration = null;
 
-    #[Groups(['session:read'])]
+    #[Groups(['session:basic', 'session:read'])]
     #[ORM\Column(name: 'nbr_courses', type: 'integer', unique: false, nullable: false)]
     protected int $nbrCourses;
 
-    #[Groups(['session:read'])]
+    #[Groups(['session:basic', 'session:read'])]
     #[ORM\Column(name: 'nbr_users', type: 'integer', unique: false, nullable: false)]
     protected int $nbrUsers;
 
@@ -263,6 +271,7 @@ class Session implements ResourceWithAccessUrlInterface, Stringable
     protected int $nbrClasses;
 
     #[Groups([
+        'session:basic',
         'session:read',
         'session:write',
     ])]