ERROR: Primitive '_ScIDE_SetDocSelectionMirror' failed.
Wrong type.
RECEIVER:
Instance of Document {    (0x110789bb8, gc=BC, fmt=00, flg=00, set=04)
  instance variables [16]
    quuid : Symbol '{8beb029f-1d0e-45ed-b89b-e94cd340ae76}'
    title : "Untitled"
    isEdited : false
    path : ""
    keyDownAction : nil
    keyUpAction : nil
    mouseUpAction : nil
    mouseDownAction : nil
    toFrontAction : nil
    endFrontAction : nil
    onClose : nil
    textChangedAction : nil
    envir : nil
    savedEnvir : nil
    editable : true
    promptToSave : true
}
CALL STACK:
    MethodError:reportError   0x10f6896c8
        arg this = <instance of PrimitiveFailedError>
    Nil:handleError   0x106f897e8
        arg this = nil
        arg error = <instance of PrimitiveFailedError>
    Thread:handleError   0x10fcd6698
        arg this = <instance of Thread>
        arg error = <instance of PrimitiveFailedError>
    Object:throw   0x106f587b8
        arg this = <instance of PrimitiveFailedError>
    Object:primitiveFailed   0x10f4bcaa8
        arg this = <instance of Document>
    Document:prSetSelectionMirror   0x107a82d68
        arg this = <instance of Document>
        arg quuid = '{8beb029f-1d0e-45ed-b89b-e94cd340ae76}'
        arg start = nil
        arg size = nil
    Document:initFromIDE   0x1107f2068
        arg this = <instance of Document>
        arg id = '{8beb029f-1d0e-45ed-b89b-e94cd340ae76}'
        arg argtitle = "Untitled"
        arg argstring = "

().play;
s.boot;

OSCFunc...."
        arg argisEdited = true
        arg argPath = "nil"
        arg selStart = nil
        arg selSize = nil
    Meta_Document:syncFromIDE   0x10e99ab38
        arg this = <instance of Meta_Document>
        arg quuid = '{8beb029f-1d0e-45ed-b89b-e94cd340ae76}'
        arg title = "Untitled"
        arg chars = "

().play;
s.boot;

OSCFunc...."
        arg isEdited = true
        arg path = "nil"
        arg selStart = 19
        arg selSize = 0
        var doc = <instance of Document>
    ArrayedCollection:do   0x106fd1dc8
        arg this = [*2]
        arg function = <instance of Function>
        var i = 0
    Meta_Document:syncDocs   0x10fd1daf8
        arg this = <instance of Meta_Document>
        arg docInfo = [*2]
    Process:interpretCmdLine   0x10766e7d8
        arg this = <instance of Main>
^^ The preceding error dump is for ERROR: Primitive '_ScIDE_SetDocSelectionMirror' failed.
Wrong type.
RECEIVER: a Document