Adaptive Card error in MS Teams "We're sorry, this card couldn't be displayed"

I have created a Power Automate flow where the adaptive card will trigger the flow when the user selects for a message in Microsoft Teams.

{
    "type": "AdaptiveCard",
    "$schema": "http://adaptivecards.io/schemas/adaptive-card.json",
    "version": "1.5",
    "body": [
        {
            "type": "TextBlock",
            "text": "@{triggerBody()?['cardOutputs']?['actaskTitle']}",
            "wrap": true
        }
    ],
    "actions": [
        {
            "type": "Action.OpenUrl",
            "title": "Open To Do",
            "url": "https://to-do.office.com/tasks/id/@{outputs('Add_a_to-do_(V3)')?['body/id']}/details"
        }
    ]
}

When I select the task from the message:

To fix the issue, go back and edit the flow and change the version from "1.5" to "1.4" and re-run; at this point, you should see the card displays correctly.

Once you click on 'Open To Do', it will redirect you to Microsoft To To: