VS Code/ionide error

paket.dependencies

source https://nuget.org/api/v2

nuget FSharp.Data framework: net45
nuget MySql.Data framework: net45

script.fsx

#r "packages/FSharp.Data/lib/net40/FSharp.Data.dll"
#r "packages/MySql.Data/lib/net45/MySql.Data.dll"

open MySql.Data
open System
open System.Data
open System.Configuration
open MySql.Data.MySqlClient
//open MySqlClient

let connect() = 
    let connStr = "adasdsa";
    let conn = new MySqlConnection(connStr)
    try
        printfn "Connecting to MySQL..."
        conn.Open()
        
        let sql = "SELECT * FROM feed"
        let cmd = new MySqlCommand(sql, conn)
        let rdr : MySqlDataReader = cmd.ExecuteReader()
        let rec readStuff (rdr: MySqlDataReader) = 
            match rdr.Read() with
            | true -> 
                printfn "%A, %A, %A, %A, %A" rdr.[0] rdr.[1] rdr.[2] rdr.[3] rdr.[4]
                readStuff rdr
            | false ->
                rdr.Close()
        readStuff rdr

    with
    | x -> printfn "Error: %A" (x.ToString())
    conn.Close();
    printfn "Done."

connect()