phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1114 The table 'phpbb_sessions' is full

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('8a8312a75e7dee7c056045911f87c88d', -1, 1524610484, 1524610484, '36a26906', 17, 0, 0)

Line : 187
File : sessions.php