phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '1f7c18f02280929d31efe68eec29efb6' 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 ('1f7c18f02280929d31efe68eec29efb6', -1, 1765784785, 1765784785, 'd849d850', 4, 0, 0)

Line : 187
File : sessions.php