Table 'monthly_report_yyyy_mm' already exists

create table otomotif_omc.monthly_report_yyyy_mm ( yyyy_mm char (8) not null, status char (1) not null, last_update_by varchar(10) not null, last_update_date datetime not null, last_ip_address char(15) not null )Duplicate key name 'index_1'
Duplicate key name 'index_1'