phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'ca11877751a768c3788538ecf090cd5a' 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 ('ca11877751a768c3788538ecf090cd5a', -1, 1711694461, 1711694461, '12cd3bfa', 1, 0, 0)

Line : 187
File : sessions.php