phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '9ab5e4098aae4e7866e27154263c52ba' 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 ('9ab5e4098aae4e7866e27154263c52ba', -1, 1767341910, 1767341910, 'd849d82e', -4, 0, 0)

Line : 187
File : sessions.php