phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'ef5c550bf843dce5721d54535cc98bf1' for key 'PRIMARY'

INSERT INTO sub_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('ef5c550bf843dce5721d54535cc98bf1', -1, 1715056846, 1715056846, '12776f09', -8, 0, 0)

Line : 187
File : sessions.php