约束布局中你在我左边，我在你右边，为何程序中断呢？

在约束布局（DependentLayout）中，Text One在Text Two左边，Text Two 在Text one右边，为何程序运行中断？

<?xml version="1.0" encoding="utf-8"?>
<DependentLayout
    xmlns:ohos="http://schemas.huawei.com/res/ohos"
    ohos:height="match_parent"
    ohos:width="match_parent"
    ohos:alignment="horizontal_center">
    <Text
        ohos:id="$+id:txtOne"
        ohos:height="match_content"
        ohos:width="match_content"
        ohos:text="Text One"
        ohos:text_alignment="center"
        ohos:background_element="#CCFFE7"
        ohos:text_size="20fp"
        ohos:align_parent_bottom="true"
        ohos:align_parent_left="true"
        ohos:left_of="$id:txtTwo"/>
    <Text
        ohos:id="$+id:txtTwo"
        ohos:height="match_content"
        ohos:width="match_content"
        ohos:text="Text Two"
        ohos:text_alignment="center"
        ohos:background_element="#FF8F95"
        ohos:text_size="20fp"
        ohos:align_parent_bottom="true"
        ohos:right_of="$id:txtOne"/>
</DependentLayout>