phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '06ad1a438102530aba19bc6703eab987' 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 ('06ad1a438102530aba19bc6703eab987', -1, 1766210169, 1766210169, 'd849d820', 11, 0, 0)

Line : 187
File : sessions.php