QML Column: Cannot specify top, bottom, verticalCenter, fill or centerIn anchors for items inside Column. Column will not function. How to fix?

Hello, I can not correct the error:
QML Column: Cannot specify top, bottom, verticalCenter, fill or centerIn anchors for items inside Column. Column will not function.

PairDisplay.qml
//Display module
Rectangle {
 width: 320
 height: 200
 id: designer__Selection

 Row {
 id: now
 width: 320
 height: 100

 Column {
 id: col1
 width: 20
 height: 100
//rectangles, etc.
}

 Column {
 id: col2
 width: 20
 height: 100
//rectangles, etc.
}

main.qml
Rectangle {
 id: rectangle
 width: 320
 height: 480
 color: "#424141"
 border.color: "#ffffff"
 signal categoryShow

 Button {
 id: button
 width: 320
 height: 70
 text: qsTr("text")
 anchors.top: parent.top
 anchors.topMargin: 0
 display: AbstractButton.TextOnly
}

 DisplayModule {
 id: now_after
 height: 200
 anchors.top: button.bottom
 width: 320
 visible: true
}

Errors with the entire project

QML debugging is enabled. Only use this in a safe environment.
qrc:/PairDisplay.qml:119:9: QML Column: Cannot specify top, bottom, verticalCenter, fill or centerIn anchors for items inside Column. Column will not function.
qrc:/PairDisplay.qml:97:9: QML Column: Cannot specify top, bottom, verticalCenter, fill or centerIn anchors for items inside Column. Column will not function.
qrc:/PairDisplay.qml:50:9: QML Column: Cannot specify top, bottom, verticalCenter, fill or centerIn anchors for items inside Column. Column will not function.
qrc:/PairDisplay.qml:29:9: QML Column: Cannot specify top, bottom, verticalCenter, fill or centerIn anchors for items inside Column. Column will not function.
qrc:/PairDisplay.qml:24:5: QML Row: Cannot specify left, right, horizontalCenter, fill or centerIn anchors for items inside Row. Row will not function.
qrc:/Sparring/Time.qml:47:5: QML Column: Cannot specify top, bottom, verticalCenter, fill or centerIn anchors for items inside Column. Column will not function.
qrc:/Sparring/Time.qml:26:5: QML Column: Cannot specify top, bottom, verticalCenter, fill or centerIn anchors for items inside Column. Column will not function.
qrc:/PairDisplay.qml:119:9: QML Column: Cannot specify top, bottom, verticalCenter, fill or centerIn anchors for items inside Column. Column will not function.
March 19th 20 at 09:14
1 answer
March 19th 20 at 09:16
Solution
It would be good to obtain a basic knowledge of the English language.

The problem is not the writing of the column. The problem is, how positioned elements inside them.

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