XL Connect Login Error "Conversion from string "8/21/2069" to type "Date" is not valid

Anyone know what is the problem.
XL Connect 7 can work fine after I click OK to skip this error.

The “License Error” looks like it points to a problem with the license… Have you tried support yet?

XL Connect can work fine after I click OK to skip this message.
I click Activated and see the license is activated.

But it is quick annoying for user when see this error message when login XL Connect.