database error with creating table for appointments

How do I fix this error?

WordPress database error Table ‘wp_gkfx_ap_appointments’ already exists for query CREATE TABLE wp_gkfx_ap_appointments (
id INT( 11 ) NOT NULL AUTO_INCREMENT PRIMARY KEY,
name VARCHAR( 30 ) NOT NULL ,
email VARCHAR( 256 ) NOT NULL ,
service_id INT( 11 ) NOT NULL ,
phone BIGINT( 21 ) NOT NULL ,
start_time VARCHAR( 10 ) NOT NULL ,
end_time VARCHAR( 10 ) NOT NULL ,
date DATE NOT NULL ,
note TEXT NOT NULL ,
appointment_key VARCHAR( 32 ) NOT NULL ,
status VARCHAR( 10 ) NOT NULL

https://ww.wp.xz.cn/plugins/appointment-calendar/