Update app.py

app.py

@@ -301,7 +301,7 @@ def send_message_ui():
     sender_email = st.session_state.auth_state["user"].email
     receiver_email = st.text_input("Receiver's Email", help="Enter the receiver's email address")
     message_content = st.text_area("Message Content")
-    if st.button("Send Message"):
+    if st.button("Send Message", key="send_message_btn"):  # Add unique key to the button
         result = send_message(sender_email, receiver_email, message_content)
         st.write(result)