Seri was with Nice when Barca pulled the plug on a deal last year.
He told Guardian: "It affected me, yes.
"Everything collapsed because of a question of money. But what can be done? Life goes on.
"Maybe it was God's will. I am a Christian, I have kept the faith and, as the time God gave me the opportunity to go to Portugal, maybe it was my destiny to come here, to England, rather than Spain."