diff --git a/dbTools/profile.js b/dbTools/profile.js
index 356ded5..e1f3dcf 100644
--- a/dbTools/profile.js
+++ b/dbTools/profile.js
@@ -96,16 +96,18 @@ userDB = (DB) => {
     DB.getFriendsFriends = async (profileId, limit = 10) => {
         const profile = await DB.getProfile(profileId);
         if (!profile) return [];
-        let ids = profile.following.map((id) => DB.ObjectID(id));
+        const following = Array.isArray(profile.following) ? profile.following : [];
+        let ids = following.filter((id) => DB.ObjectID.isValid(id)).map((id) => DB.ObjectID(id));
         let alreadyFollowingMap = {};
         alreadyFollowingMap[profileId] = 1; //skip that profile
-        profile.following.forEach(id => {
+        following.forEach(id => {
             if (!alreadyFollowingMap[id]) alreadyFollowingMap[id] = 1;
         })
         return DB.profileCols.find({ _id: { $in: ids } }).project({ following: 1 }).limit(limit).toArray().then(profiles => {
             let friendsOfFriendsMap = {};
             profiles.forEach(p => {
-                p.following.forEach(followingId => {
+                const related = Array.isArray(p.following) ? p.following : [];
+                related.forEach(followingId => {
                     if (alreadyFollowingMap[followingId]) return 0;
                     if (!friendsOfFriendsMap[followingId]) friendsOfFriendsMap[followingId] = 0;
                     friendsOfFriendsMap[followingId] = friendsOfFriendsMap[followingId] + 1;
@@ -312,9 +314,10 @@ userDB = (DB) => {
     DB.getFollowingGroups = async (profileid) => {
         const profile = await DB.getProfile(profileid);
         let ids = [];
-        for (id in profile.following) {
+        const following = Array.isArray(profile?.following) ? profile.following : [];
+        for (id in following) {
             try {
-                let oId = DB.ObjectID(profile.following[id]);
+                let oId = DB.ObjectID(following[id]);
                 let checkProfile = await DB.getProfileCache(oId)
                 if (checkProfile && checkProfile.isGroup && !checkProfile.isChat) {
                     ids.push(oId)
@@ -482,4 +485,4 @@ userDB = (DB) => {
 
 }
 
-module.exports = userDB;
\ No newline at end of file
+module.exports = userDB;
diff --git a/middleware/sessionChecker.js b/middleware/sessionChecker.js
index dfdf823..2d753ec 100644
--- a/middleware/sessionChecker.js
+++ b/middleware/sessionChecker.js
@@ -2,19 +2,30 @@ const { getSessionId, getUserId, getProfileId } = require('../utils/sessionUtils
 const { client_logger } = require('../utils/analyticsLogger');
 const { cookiesOptions } = require('../config/cookiesOptions');
 const MongoDB = require("../mongoDB.js");
+const { ObjectId } = require("mongodb");
 
 const sessionChecker = async (req, res, next) => {
-    const session_id = getSessionId(req);
-    const user_sid = getUserId(req);
-    let profile_id = getProfileId(req);
+    try {
+        const session_id = getSessionId(req);
+        const user_sid = getUserId(req);
+        let profile_id = getProfileId(req);
 
-    if (session_id && user_sid) {
-        DB = await MongoDB.getDB;
+        if (!session_id || !user_sid) {
+            return res.redirect('/login');
+        }
+        if (!ObjectId.isValid(session_id) || !ObjectId.isValid(user_sid)) {
+            return res.redirect('/login');
+        }
+
+        const DB = await MongoDB.getDB;
         const userInfo = await DB.checkSessionOnDB(session_id, user_sid);
         req.userInfo = userInfo;
 
         if (!await DB.getProfileCache(profile_id)) {
             const latestProfile = await DB.latestProfile(user_sid);
+            if (!latestProfile || !latestProfile._id) {
+                return res.redirect('/login');
+            }
             res.cookie('profile_id', latestProfile._id, cookiesOptions);
             profile_id = latestProfile._id;
         }
@@ -23,16 +34,16 @@ const sessionChecker = async (req, res, next) => {
 
         if (!userInfo) return res.redirect('/login');
 
-        // Log Request
         client_logger.capture({
             distinctId: user_sid,
             event: 'server@' + req.method + '@' + req.originalUrl,
         });
 
         next();
-    } else {
+    } catch (error) {
+        console.error("Session checker error", error);
         return res.redirect('/login');
     }
 };
 
-module.exports = sessionChecker;
\ No newline at end of file
+module.exports = sessionChecker;
diff --git a/routes/post.js b/routes/post.js
index eb9bec5..3aaa08a 100644
--- a/routes/post.js
+++ b/routes/post.js
@@ -8,7 +8,10 @@ const Notifications = require("./../notifications.js");
 DB.getDB.then((DB) => {
 
     const getProfileId = (req) => {
-        return DB.ObjectID(req.cookies.profile_id || req.query.profile_id || req.body.profile_id);
+        const rawProfileId = req.cookies.profile_id || req.query.profile_id || req.body.profile_id || req.profileInfo?._id;
+        if (!rawProfileId) return null;
+        if (!DB.ObjectID.isValid(rawProfileId)) return null;
+        return DB.ObjectID(rawProfileId);
     };
 
     const postBelongToProfile = (post, profileid) => {
@@ -155,12 +158,17 @@ DB.getDB.then((DB) => {
  *                 $ref: '#/components/schemas/Post'
  */
     router.get("/organic", async (req, res) => {
-        const profileid = getProfileId(req);
-        let organicPosts = await DB.getFeed(profileid);
-        //Add non-organic posts
-        const nonOrganicPosts = await generateNonOrganicPosts(req, profileid);
-        const posts = mergePosts(organicPosts, nonOrganicPosts);
-        return res.json(posts);
+        try {
+            const profileid = getProfileId(req);
+            if (!profileid) return res.status(400).json([]);
+            let organicPosts = await DB.getFeed(profileid);
+            const nonOrganicPosts = await generateNonOrganicPosts(req, profileid);
+            const posts = mergePosts(organicPosts || [], nonOrganicPosts || []);
+            return res.json(posts);
+        } catch (error) {
+            console.error("Error loading organic feed", error);
+            return res.status(500).json([]);
+        }
     });
 
     /**
@@ -182,12 +190,17 @@ DB.getDB.then((DB) => {
  *                 $ref: '#/components/schemas/Post'
  */
     router.get("/", async (req, res) => {
-        const profileid = getProfileId(req);
-        //Add non-organic posts
-        const nonOrganicPosts = await generateNonOrganicPosts(req, profileid);
-        let promotionalPosts = await DB.getPromotionalPosts(profileid);
-        const posts = mergePosts(promotionalPosts, nonOrganicPosts);
-        return res.json(posts);
+        try {
+            const profileid = getProfileId(req);
+            if (!profileid) return res.status(400).json([]);
+            const nonOrganicPosts = await generateNonOrganicPosts(req, profileid);
+            let promotionalPosts = await DB.getPromotionalPosts(profileid);
+            const posts = mergePosts(promotionalPosts || [], nonOrganicPosts || []);
+            return res.json(posts);
+        } catch (error) {
+            console.error("Error loading feed", error);
+            return res.status(500).json([]);
+        }
     });
 
     /**
@@ -980,4 +993,4 @@ DB.getDB.then((DB) => {
 
 });
 
-module.exports = router
\ No newline at end of file
+module.exports = router
diff --git a/routes/profile.js b/routes/profile.js
index 88c95bc..8e65b00 100644
--- a/routes/profile.js
+++ b/routes/profile.js
@@ -795,12 +795,24 @@ DB.getDB.then((DB) => {
  *               $ref: '#/components/schemas/Profile'
  */
     router.get("/:id", async (req, res) => {
-        let profileId = req.params.id;
-        let profile = await DB.getProfile(profileId);
-        return res.json({
-            status: "ok",
-            ...profile
-        });
+        try {
+            let profileId = req.params.id;
+            let profile = await DB.getProfile(profileId);
+            if (!profile || !profile._id) {
+                return res.status(404).json({
+                    status: "Profile not found",
+                });
+            }
+            return res.json({
+                status: "ok",
+                ...profile
+            });
+        } catch (error) {
+            console.error("Error loading profile", error);
+            return res.status(500).json({
+                status: "Internal server error"
+            });
+        }
     });
 
     /**
@@ -913,4 +925,4 @@ DB.getDB.then((DB) => {
 
 });
 
-module.exports = router
\ No newline at end of file
+module.exports = router