phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '36c9e926b286f115122f17095120a8a0' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('36c9e926b286f115122f17095120a8a0', -1, 1784373874, 1784373874, 'd849d932', 1, 0, 0)

Line : 187
File : sessions.php