I am trying to delete objects from a list by choosing them via a multiselect widget. However, after the app reruns I get the error: streamlit.errors.StreamlitAPIException: Every Multiselect default value must exist in options if st.button("Fill") or "options" not in st.session_state: st.session_st…

Removing an item from multi select

Charly_Wargnier July 27, 2021, 8:48am 2

Hi @arc, and welcome to the Streamlit community!

Can you please try without the state element? Does it get rid of the issue?

Thanks
Charly

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