phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '1f15d3f200fb07dcbecb3ab6454ffe3a' 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 ('1f15d3f200fb07dcbecb3ab6454ffe3a', -1, 1714195800, 1714195800, '12758ef8', 10, 0, 0)

Line : 187
File : sessions.php