phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '9088dec16c82b790832dca18c1cce29c' for key 'PRIMARY'

INSERT INTO fl_phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('9088dec16c82b790832dca18c1cce29c', -1, 1767084183, 1767084183, 'd849d86b', -9, 0, 0)

Line : 187
File : sessions.php