Anadolu Agency reports that the United Arab Emirates has not issued a visa to the mufti of Jerusalem, Sheikh Mohammed Hussein.
He was slated to attend a conference in the UAE and was to arrive on Sunday.
A Palestinian official told the agency that the Palestinian authorities have been working on this, saying that a solution is on its way.
Yet it is Wednesday and nothing has been reported about this being resolved yet.
The UAE has been frosty with the PLO for a while now, partially due to its support of Abbas rival Mohammed Dahlan.
Palestinian media is bitter, pointing out that Israelis have been welcomed with open arms to the UAE in recent months, even to the point of the deputy tourism minister of one of the emirates welcoming Israelis visiting a high tech expo without a visa, telling Ynet, "Bruchim Habaim" - "Welcome" in Hebrew. And it is possible that the lift on limitations of Israeli visitors to the UAE may become permanent.