Why is my Sampleo review not being validated or is not accepted?

First, don’t forget to click on the "Validate" button at the end of your survey. If you are using a tablet or smartphone to complete your mission, please try with a computer. If you are experiencing this problem using a computer, feel free to try another web browser. You can also try again within a few hours or the next few days as this may be due to a temporary technical incident.