diff --git a/app.py b/app.py
index cbf4b67f..db86d25d 100644
--- a/app.py
+++ b/app.py
@@ -222,6 +222,15 @@ class Gpt4AllWebUI(GPT4AllAPI):
             "/reset", "reset", self.reset, methods=["GET"]
         )
         
+        self.add_endpoint(
+            "/export_multiple_discussions", "export_multiple_discussions", self.export_multiple_discussions, methods=["POST"]
+        )      
+        
+    def export_multiple_discussions(self):
+        data = request.get_json()
+        discussion_ids = data["discussion_ids"]
+        return jsonify(self.db.export_discussions_to_json(discussion_ids))
+          
         
     def reset(self):
         os.kill(os.getpid(), signal.SIGINT)  # Send the interrupt signal to the current process
@@ -677,8 +686,7 @@ class Gpt4AllWebUI(GPT4AllAPI):
                 self.backend = backend_
                 self.config['model'] = models[0]
                 # Build chatbot
-                self.process.set_config(self.config)
-                return jsonify({"status": "ok"})
+                return jsonify(self.process.set_config(self.config))
             else:
                 return jsonify({"status": "no_models_found"})
 
@@ -690,9 +698,8 @@ class Gpt4AllWebUI(GPT4AllAPI):
         if self.config['model']!= model:
             print("set_model: New model selected")            
             self.config['model'] = model
-            # Build chatbot
-            self.process.set_config(self.config)
-            return jsonify({"status": "ok"})
+            # Build chatbot            
+            return jsonify(self.process.set_config(self.config))
 
         return jsonify({"status": "error"})    
     
diff --git a/gpt4all_api/api.py b/gpt4all_api/api.py
index 2d2552d6..24f44506 100644
--- a/gpt4all_api/api.py
+++ b/gpt4all_api/api.py
@@ -185,6 +185,7 @@ class ModelProcess:
             
     def _rebuild_model(self):
         try:
+            self.reset_config_result()
             print(" ******************* Building Backend from generation Process *************************")
             self.backend = self.load_backend(self.config["backend"], install=True)
             print("Backend loaded successfully")
@@ -207,6 +208,8 @@ class ModelProcess:
             print(ex)
             self.backend = None
             self.model = None
+            self._set_config_result['model_status'] ='failed'
+            self._set_config_result['errors'].append(f"couldn't build model:{ex}")
 
     def rebuild_personality(self):
         try:
@@ -224,6 +227,7 @@ class ModelProcess:
     
     def _rebuild_personality(self):
         try:
+            self.reset_config_result()
             print(f" ******************* Building Personality {self.config['personality']} from generation Process *************************")
             personality_path = f"personalities/{self.config['personality_language']}/{self.config['personality_category']}/{self.config['personality']}"
             self.personality = AIPersonality(personality_path)
diff --git a/gpt4all_api/db.py b/gpt4all_api/db.py
index 9738880b..738778b2 100644
--- a/gpt4all_api/db.py
+++ b/gpt4all_api/db.py
@@ -250,6 +250,30 @@ class DiscussionsDB:
         return discussions
 
 
+    def export_discussions_to_json(self, discussions_ids:list):
+        # Convert the list of discussion IDs to a tuple
+        discussions_ids_tuple = tuple(discussions_ids)
+        db_discussions = self.select("SELECT * FROM discussion WHERE discussion_id IN ({})".format(
+        ','.join(['?'] * len(discussions_ids_tuple))
+        ))
+        discussions = []
+        for row in db_discussions:
+            discussion_id = row[0]
+            discussion_title = row[1]
+            discussion = {"id": discussion_id, "title":discussion_title, "messages": []}
+            rows = self.select(f"SELECT * FROM message WHERE discussion_id=?",(discussion_id,))
+            for message_row in rows:
+                sender = message_row[1]
+                content = message_row[2]
+                content_type = message_row[3]
+                rank = message_row[4]
+                parent = message_row[5]
+                discussion["messages"].append(
+                    {"sender": sender, "content": content, "type": content_type, "rank": rank, "parent": parent}
+                )
+            discussions.append(discussion)
+        return discussions
+
 class Discussion:
     def __init__(self, discussion_id, discussions_db:DiscussionsDB):
         self.discussion_id = discussion_id