IOError: stream is closed or unusable

gistfile1.txt

┌ Error: error handling request
│   exception =
│    IOError: stream is closed or unusable
│    Stacktrace:
│     [1] check_open at ./stream.jl:328 [inlined]
│     [2] uv_write_async(::Sockets.TCPSocket, ::Ptr{UInt8}, ::UInt64) at ./stream.jl:961
│     [3] uv_write(::Sockets.TCPSocket, ::Ptr{UInt8}, ::UInt64) at ./stream.jl:924
│     [4] unsafe_write(::Sockets.TCPSocket, ::Ptr{UInt8}, ::UInt64) at ./stream.jl:1007
│     [5] unsafe_write at /home/nabanita07/.julia/packages/HTTP/GkPBm/src/ConnectionPool.jl:174 [inlined]
│     [6] write at ./strings/io.jl:183 [inlined]
│     [7] closebody at /home/nabanita07/.julia/packages/HTTP/GkPBm/src/Streams.jl:113 [inlined]
│     [8] closewrite(::HTTP.Streams.Stream{HTTP.Messages.Request,HTTP.ConnectionPool.Transaction{Sockets.TCPSocket}}) at /home/nabanita07/.julia/packages/HTTP/GkPBm/src/Streams.jl:128
│     [9] (::HTTP.Servers.var"#13#14"{HTTP.Handlers.var"#4#5"{HTTP.Handlers.StreamHandlerFunction{Pluto.var"#71#75"}},HTTP.ConnectionPool.Transaction{Sockets.TCPSocket},HTTP.Streams.Stream{HTTP.Messages.Request,HTTP.ConnectionPool.Transaction{Sockets.TCPSocket}}})() at ./task.jl:358
└ @ HTTP.Servers ~/.julia/packages/HTTP/GkPBm/src/Servers.jl:373
┌ Error: error handling request
│   exception =
│    IOError: stream is closed or unusable
│    Stacktrace:
│     [1] check_open at ./stream.jl:328 [inlined]
│     [2] uv_write_async(::Sockets.TCPSocket, ::Ptr{UInt8}, ::UInt64) at ./stream.jl:961
│     [3] uv_write(::Sockets.TCPSocket, ::Ptr{UInt8}, ::UInt64) at ./stream.jl:924
│     [4] unsafe_write(::Sockets.TCPSocket, ::Ptr{UInt8}, ::UInt64) at ./stream.jl:1007
│     [5] unsafe_write at /home/nabanita07/.julia/packages/HTTP/GkPBm/src/ConnectionPool.jl:174 [inlined]
│     [6] write at ./strings/io.jl:183 [inlined]
│     [7] closebody at /home/nabanita07/.julia/packages/HTTP/GkPBm/src/Streams.jl:113 [inlined]
│     [8] closewrite(::HTTP.Streams.Stream{HTTP.Messages.Request,HTTP.ConnectionPool.Transaction{Sockets.TCPSocket}}) at /home/nabanita07/.julia/packages/HTTP/GkPBm/src/Streams.jl:128
│     [9] (::HTTP.Servers.var"#13#14"{HTTP.Handlers.var"#4#5"{HTTP.Handlers.StreamHandlerFunction{Pluto.var"#71#75"}},HTTP.ConnectionPool.Transaction{Sockets.TCPSocket},HTTP.Streams.Stream{HTTP.Messages.Request,HTTP.ConnectionPool.Transaction{Sockets.TCPSocket}}})() at ./task.jl:358
└ @ HTTP.Servers ~/.julia/packages/HTTP/GkPBm/src/Servers.jl:373
┌ Error: error handling request
│   exception =
│    IOError: stream is closed or unusable
│    Stacktrace:
│     [1] check_open at ./stream.jl:328 [inlined]
│     [2] uv_write_async(::Sockets.TCPSocket, ::Ptr{UInt8}, ::UInt64) at ./stream.jl:961
│     [3] uv_write(::Sockets.TCPSocket, ::Ptr{UInt8}, ::UInt64) at ./stream.jl:924
│     [4] unsafe_write(::Sockets.TCPSocket, ::Ptr{UInt8}, ::UInt64) at ./stream.jl:1007
│     [5] unsafe_write at /home/nabanita07/.julia/packages/HTTP/GkPBm/src/ConnectionPool.jl:174 [inlined]
│     [6] write at ./strings/io.jl:183 [inlined]
│     [7] closebody at /home/nabanita07/.julia/packages/HTTP/GkPBm/src/Streams.jl:113 [inlined]
│     [8] closewrite(::HTTP.Streams.Stream{HTTP.Messages.Request,HTTP.ConnectionPool.Transaction{Sockets.TCPSocket}}) at /home/nabanita07/.julia/packages/HTTP/GkPBm/src/Streams.jl:128
│     [9] (::HTTP.Servers.var"#13#14"{HTTP.Handlers.var"#4#5"{HTTP.Handlers.StreamHandlerFunction{Pluto.var"#71#75"}},HTTP.ConnectionPool.Transaction{Sockets.TCPSocket},HTTP.Streams.Stream{HTTP.Messages.Request,HTTP.ConnectionPool.Transaction{Sockets.TCPSocket}}})() at ./task.jl:358
└ @ HTTP.Servers ~/.julia/packages/HTTP/GkPBm/src/Servers.jl:373
[ Info: Client 18x6jrl stream closed.
Base.StackTraces.StackFrame[systemerror(::String, ::Int32; extrainfo::Nothing) at error.jl:168, (::Base.var"#systemerror##kw")(::NamedTuple{(:extrainfo,),Tuple{Nothing}}, ::typeof(systemerror), ::String, ::Int32) at error.jl:168, (::Base.var"#systemerror##kw")(::NamedTuple{(:extrainfo,),Tuple{Nothing}}, ::typeof(systemerror), ::String) at error.jl:168, #systemerror#50 at error.jl:167 [inlined], systemerror at error.jl:167 [inlined], open(::String; read::Nothing, write::Nothing, create::Nothing, truncate::Bool, append::Nothing) at iostream.jl:254, open at iostream.jl:246 [inlined], open(::String, ::String) at iostream.jl:310, open(::Pluto.var"#5#6"{Pluto.Notebook}, ::String, ::Vararg{String,N} where N; kwargs::Base.Iterators.Pairs{Union{},Union{},Tuple{},NamedTuple{(),Tuple{}}}) at io.jl:296, open at io.jl:296 [inlined], save_notebook at Notebook.jl:75 [inlined], move_notebook at Notebook.jl:177 [inlined], (::Pluto.var"#150#152")(::Dict{String,Any}, ::Pluto.Notebook; initiator::Pluto.Initiator) at Dynamic.jl:168, (::Pluto.var"#150#152##kw")(::NamedTuple{(:initiator,),Tuple{Pluto.Initiator}}, ::Pluto.var"#150#152", ::Dict{String,Any}, ::Pluto.Notebook) at Dynamic.jl:163, process_ws_message(::Dict{String,Any}, ::HTTP.WebSockets.WebSocket{HTTP.ConnectionPool.Transaction{Sockets.TCPSocket}}) at WebServer.jl:290, (::Pluto.var"#72#76")(::HTTP.WebSockets.WebSocket{HTTP.ConnectionPool.Transaction{Sockets.TCPSocket}}) at WebServer.jl:152, upgrade(::Pluto.var"#72#76", ::HTTP.Streams.Stream{HTTP.Messages.Request,HTTP.ConnectionPool.Transaction{Sockets.TCPSocket}}; binary::Bool) at WebSockets.jl:146, upgrade at WebSockets.jl:129 [inlined], (::Pluto.var"#71#75")(::HTTP.Streams.Stream{HTTP.Messages.Request,HTTP.ConnectionPool.Transaction{Sockets.TCPSocket}}) at WebServer.jl:128, handle at Handlers.jl:269 [inlined], #4 at Handlers.jl:345 [inlined], macro expansion at Servers.jl:367 [inlined], (::HTTP.Servers.var"#13#14"{HTTP.Handlers.var"#4#5"{HTTP.Handlers.StreamHandlerFunction{Pluto.var"#71#75"}},HTTP.ConnectionPool.Transaction{Sockets.TCPSocket},HTTP.Streams.Stream{HTTP.Messages.Request,HTTP.ConnectionPool.Transaction{Sockets.TCPSocket}}})() at task.jl:358]