EXPERT SQL y MSSQL Server programmer needed for small task (needed immediately) -- 2

i have a small SQL Store procedure that copies some data to a temporary table from some tables defined on a query, the SP works fine as long as the tables do exist on the database, but when they dont exists the SP obviously throws an error. i need an expert in SQL to make and IF...ELSE statement on the SP so before trying to copy or manipulate data the SP checks if the table exists on the database.... if it does then it will proceed with the line if it doesnt exists will continue with the next line and table so ir does not throw an error when the table does not exist. this work need to be done immediately and will be done in our system using anydesk ....