Unable to play on linux ubuntu 18.04

I am getting a this on schedule and layout publishes:
Player action connection failed. E = Cannot seal message
then
Unable to Process Queue of Player actions due to 1 of 1 player actions failed

Server is 2.0.3 and linux player is 1.8-R3
Any ideas on what it means and how to resolve?

Same here. Server 1.8 (Docker), linux player 1.8-R4.

What does “Cannot seal message mean”?

Welcome to the Community RTL and jpcaram!

Could you provide some more information about your issue, for example:

  • A step by step of what you have added to the Layout and a screenshot showing the error message.
  • jpcaram, what is the full version of your Xibo CMS?

Many Thanks.

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