No. What happened was that some superstitious fringe lunatic deluded herself into believing that she had been divinely chosen to be a human conduit for special prophetic revelation. Having persuaded others of her professed role, she proceeded to draw attention and adulation to herself, thus boosting her deflated ego. This ridiculous scenario has been repeated many times by charlatans, misfits, and various mentally or emotionally compromised dingbats, and in many cases, such false prophets are able to persuade gullible and naive persons to vest false confidence in their delusional "prophesies" and bogus "revelations." Seems Ms. Luisa has suckered you in.
Among other absurdities, this Luisa Piccarelli is said to have subsisted on nothing but communion wafers for 65 years.