phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c87e64547c84b9e1803b5d4fd49dfaec' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('c87e64547c84b9e1803b5d4fd49dfaec', -1, 1714305588, 1714305588, '038cc6ad', -4, 0, 0)

Line : 187
File : sessions.php