I received a reply to my post of not being able to use the smart plug and get on the webpage to see what was going on. they have replied with this message.
Dear Kasa User:

We recently learned that users are experiencing an issue when using the Kasa app remotely and/or with Amazon Alexa Voice Control. Users are reporting receiving these error messages:
  • 503 Service Temporarily Unavailable
  • Server internal error
  • Amazon Alexa voice control error stating, Sorry, the device is not responding. Please check its network connection and power supply.
Our smart home team is working diligently to identify and resolve this as quickly as possible. We sincerely apologize for the inconvenience and appreciate your patience as we work to resolve this issue. We will email you again when we have an update.

We will also update this FAQ on our website with new information as it becomes available. You may email the Kasa Support Team with questions.

Thank you again for your patience.

Sincerely,

TP-Link

My Alexa has been able to work with the commands I have set up again.