Before creating a direct contract it is necessary to create the "Supplier".
The supplier is the entity with which the actual contract is stipulated, therefore usually a hotel or even a hotel chain or the company that owns the facilities, etc. (in the case of ancillary services, it will be the company with which the contracts for tours, transfers, restaurants, etc. will be stipulated).
Before you can enter a hotel contract you must create the Supplier (see guide New supplier)