phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : -1 ERROR: duplicate key value violates unique constraint "phpbb_session_pkey" DETAIL: Key ("session_id")=(f29b29ebd8e1aa19f0c802f7b21752e4) already exists.

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('f29b29ebd8e1aa19f0c802f7b21752e4', -1, 1768975321, 1768975321, '7f000001', -9, 0, 0)

Line : 187
File : sessions.php