Помогите решить проблему

В скечваере ошибка /storage/emulated/0/.sketchware/mysc/601/app/src/main/res/layout/main.xml:29: error: not well-formed (invalid token).
/storage/emulated/0/.sketchware/mysc/601/app/src/main/res/layout/main.xml: error: file failed to compile

.
Для вас код main.xml <LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<LinearLayout
android:id="@+id/linear1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:padding="8dp"
android:background="#66BB6A"
android:orientation="horizontal" />
<ImageView
android:id="@+id/imageview1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@drawable/default_image"
android:scaleType="center" />
<Button
android:id="@+id/ntm_button_permission"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:padding="8dp"
android:text="Скан"
android:textSize="12sp"
android:textColor="#000000"

Скан />
</LinearLayout>