phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '1a2295f5ec4493828c4bde20f0695355' 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 ('1a2295f5ec4493828c4bde20f0695355', -1, 1768305115, 1768305115, 'd849d81c', -4, 0, 0)

Line : 187
File : sessions.php