phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c5418f6a07b63bbd9e7554cd494e4fb5' 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 ('c5418f6a07b63bbd9e7554cd494e4fb5', -1, 1711707446, 1711707446, '2cdd51d4', 5, 0, 0)

Line : 187
File : sessions.php