Fiverr Community Forum

Please Help Me Regarding Message Issue

I am facing this issue on fiverr !! when i send the message to my client the message showed that the my message has delivered to client but when i refresh the page then my message remove from my chat this issue is coming again and again, and now i try to send the message to client but fiverr sent me message unable to send , something went wrong and this message appear on refreshing ( We are currently undergoing scheduled maintenance) SO What Is this ?