It is necessary to apply for an urgent visa to Spain. In the cover letter, you should tell why it is necessary to issue a visa to Spain urgently.

Alas, without a visa to Spain you will not be allowed. If you have the time, then you can apply to the Consulate of Spain for an urgent visa. Usually this is not a problem, especially if previous trips were without violations of the stay in the Schengen zone.

To protect yourself from situations when the visa expires or has not yet been issued, and the tour has been chosen and paid for, it is necessary to insure you against leaving, concluding a contract with the travel agency chosen by you. Carefully study the document, there should be specified points regarding travel insurance. Depending on the nuances the travel agency will return part or all of the cost of the voucher.