phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : -1 ERROR: duplicate key value violates unique constraint "session_pkey" DETAIL: Key (session_id)=(c8b8fa88f4682c5b246e9f1009b4a3ab) already exists.

INSERT INTO sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('c8b8fa88f4682c5b246e9f1009b4a3ab', -1, 1713498596, 1713498596, '12d8baa4', 2, 0, 0)

Line : 187
File : sessions.php