"The meeting initially planned for May 30 will be postponed to a later date. It will be held in early June, the new date will be confirmed shortly," Nadal stated at a press briefing.
The meeting was rescheduled because US State Secretary John Kerry was unable to attend it, French President Francois Hollande said earlier in the day.
The event would not involve parties to the conflict. A total of 20 foreign ministers from Europe, the United States, the Middle East and Asia are expected to attend the meeting.
Palestinians seek diplomatic recognition of their independent state on the territories of the West Bank, including East Jerusalem, partially occupied by Israel, and the Gaza Strip. Israel has been building settlements on the occupied territories, despite objection from the United Nations.