iOS Question GetInputStream Error HTTPJOB

Error occurred on line: 168 (Main)
Method not found: GetInputStream, target: [_success=1, _jobname=dbDownloader, _username=
, _password=, _errormessage=, _target=<b4i_main: (null)>
, _req=<B4IHttpRequest: <NSMutableURLRequest: 0x17ed21d0> { URL: myurl }>, _tag=<NSObject: 0x17ed27a0>, _res=<B4IHttpResponse: 0x17ed76b0>
, _main=<b4i_main: (null)>, _httputils2service=<b4i_httputils2service: (null)>]
Stack Trace: (
  CoreFoundation       <redacted> + 150
  libobjc.A.dylib      objc_exception_throw + 38
  CoreFoundation       <redacted> + 0
  Lulaj                +[B4I runDynamicMethod:method:throwErrorIfMissing:args:] + 426
  Lulaj                -[B4IShell runMethod:] + 574
  Lulaj                -[B4IShell raiseEventImpl:method:args::] + 1998
  Lulaj                -[B4IShellBI raiseEvent:event:params:] + 1442
  Lulaj                +[B4IDebug delegate:::] + 52
  Lulaj                -[b4i_main _jobdone:] + 400
  CoreFoundation       <redacted> + 68
CoreFoundation       <redacted> + 292
Lulaj                +[B4I runDynamicMethod:method:throwErrorIfMissing:args:] + 1786
Lulaj                -[B4ICommon CallSubDebug4::::] + 940
Lulaj                -[B4ICommon CallSubDebug2::::] + 254
Lulaj                -[b4i_httpjob _complete::] + 992
Lulaj                -[b4i_httputils2service _completejob::::] + 1680
Lulaj                -[b4i_httputils2service _hc_responsesuccess::] + 1104
CoreFoundation       <redacted> + 68
CoreFoundation       <redacted> + 292
Lulaj                +[B4I runDynamicMethod:method:throwErrorIfMissing:args:] + 1786
Lulaj                -[B4IShell runMethod:] + 574
Lulaj                -[B4IShell raiseEventImpl:method:args::] + 2212
Lulaj                -[B4IShellBI raiseEvent:event:params:] + 1442
Lulaj                __61-[B4IHttp URLSession:downloadTask:didFinishDownloadingToURL:]_block_invoke + 240
libdispatch.dylib    <redacted> + 498
libdispatch.dylib    <redacted> + 22
libdispatch.dylib    _dispatch_main_queue_callback_4CF + 1532
CoreFoundation       <redacted> + 8
CoreFoundation       <redacted> + 1590
CoreFoundation       CFRunLoopRunSpecific + 516
CoreFoundation       CFRunLoopRunInMode + 108
GraphicsServices     GSEventRunModal + 160
UIKit                UIApplicationMain + 144
Lulaj                main + 108
libdyld.dylib        <redacted> + 2
)

Public Sub JobDone (Job As HttpResponse)
    Dim b() As Byte=Bit.InputStreamToBytes(Job.GetInputStream)
     
    Dim out As OutputStream=File.OpenOutput(File.DirDocuments,"database.sqlite",False)
    out.WriteBytes(b,0,b.Length)
    out.Close
  
    File.Copy(File.DirDocuments,"database.sqlite",File.DirDocuments, "database_offline.sqlite")
End Sub