phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '4c6108cabcdd880628aedcd635f851fe' 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 ('4c6108cabcdd880628aedcd635f851fe', -1, 1756276504, 1756276504, 'd849d861', 12, 0, 0)

Line : 187
File : sessions.php