The opera, one of the oldest and most prestigious in the world, said that the dispute is now the costliest in its history, with 63 ballet and opera performances cancelled since dancers walked out on December 5.
The floods have so far claimed six lives in Spain, with train and air services were disrupted.
Eight runners were hospitalised, three of them with goring injuries, on the last day of the annual San Fermin bull-running festival in the Spanish city of Pamplona.
Reyes, who shot to fame at Sevilla before a switch to Arsenal followed by spells at Real and Atletico Madrid, was on the books with second tier Spanish club Extremadura.
Demonstrations continue after a Spanish court cleared five men of the gang rape of an 18-year-old woman at the 2016 San Fermin bull-running festival in Pamplona, convicting them of the lesser crime of sexual abuse.
Enquiry concerns 17 lower-tier tournaments with estimated takings of over half a million euros. Some players were promised 500 euros but paid only 50 euros in the end.
Zero-fuel solar plane lands in Cairo in penultimate stop before ending its worldwide trip in the United Arab Emirates.
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