SLAs violated, but no SLAs are in place

SLAs violated, but no SLAs are in place

I'm going through setting up the basic configuration for our Service Desk. I notice that now whenever I set a priority to a ticket, I get an error message that says my SLAs have been violated. I haven't set up SLAs just yet. How can I fix this? How are the SLAs connected to the priority? I've attached an image to show the error flag.
 
Thanks.

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