Turn Server errors

[pulstar]

I am having the following errors in my turn server. Sometimes I got video image, but most of the time I don't.

turn ERROR: 2021/05/28 00:09:27 error when handling datagram: failed to create stun message from packet: BadFormat for message/cookie: 2104 is invalid magic cookie (should be 2112a442)
turn ERROR: 2021/05/28 00:09:27 error when handling datagram: failed to create stun message from packet: BadFormat for message/cookie: 5004 is invalid magic cookie (should be 2112a442)
turn ERROR: 2021/05/28 00:09:27 error when handling datagram: failed to create stun message from packet: BadFormat for message/cookie: 8e04 is invalid magic cookie (should be 2112a442)
turn ERROR: 2021/05/28 00:09:27 error when handling datagram: failed to create stun message from packet: BadFormat for message/cookie: 7306 is invalid magic cookie (should be 2112a442)