phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'd8986c779f1f4823f045989a3b5eef15' 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 ('d8986c779f1f4823f045989a3b5eef15', -1, 1715796995, 1715796995, 'c0a80201', -2, 0, 0)

Line : 187
File : sessions.php