When I dequeue message I get following error:
ORA-25263: no message in queue MSG_QUEUE with message ID E2A8DB08570741CCB8EABDB9BE5A2A89.

But row with ID equals to E2A8DB08570741CCB8EABDB9BE5A2A89 exists in queue table
(it has state equal to 0).

What do I wrong?