phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'd2c5db251bb80b0ad83897cd26ac6c0b' 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 ('d2c5db251bb80b0ad83897cd26ac6c0b', -1, 1765347003, 1765347003, 'd849d8da', -4, 0, 0)

Line : 187
File : sessions.php