Check out Time Errors

There is are two places this could be stemming from. If there are minimum units on the Slot Type:

It would trigger this error:


If there are Prompt on Guidelines on the insurance:


It will give this error (meaning the units are under the recommended guidelines):



These can both be turned off if there is nothing in the slot type or if the prompt is turned off in the insurance if you do not want either prompts in inform you.