The (P) GCC is a six-nation bloc of oil-rich Arab states, composed of Saudi Arabia, Kuwait, the United Arab Emirates, Oman, Bahrain and Qatar.
He later slammed the final communique for not addressing the boycott, which Qatar says aims to curtail its sovereignty.
"But this does not mean relinquishing the conditions imposed on Qatar", he added, noting that Doha should stop supporting terrorism and extremism and avoid interfering in other countries' affairs.
Meanwhile, Qatar announced last week that it is withdrawing from the Organization of the Petroleum Exporting Countries on January 1st.
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Saudi Arabia's Minister of Foreign Affairs, Adel Al-Jubeir, said that all the GCC countries represent one family and any dispute that occurs among its members is normal.
Iran's Foreign Ministry spokesman has slammed "baseless" statements of the [Persian] Gulf Cooperation Council (GCC), saying that the council has turned into a front for proclaiming the policies of some of its member states.
The Qatari Emir Tamim Bin Hamad al-Thani didn't attend the summit despite having been officially invited by the Saudi King Salman bin Abdulaziz.
The GCC, a political and economic alliance of countries in the Arabian Peninsula, was established in 1981 to foster socioeconomic, security, and cultural cooperation.
The summit noted that the vision of Custodian of the Two Holy Mosques King Salman laid the foundations for completing the system of integration between the GCC states in all fields.
Something big could be brewing between the Yankees, Mets and Marlins
The two NY teams have not make a player-for-player trade since the Mike Stanton for Felix Heredia lefty reliever swap in 2004. As such, Andujar could fit into that in any number of ways.
Meanwhile, Kuwaiti Emir His Highness Sheikh Sabah Al-Ahmad Al-Jaber Al-Sabah stressed the importance of GCC unity amid the current strife.
While the boycotting states have said the row is not a priority for them and that the GCC remained valid, Doha has said the dispute harmed regional security by weakening the bloc.
A US official on Sunday called on Gulf states to mend fences to confront Iran and pave the way for a proposed new Middle East security alliance that would include the Gulf bloc, Egypt and Jordan.
Al-Jubeir stressed that the "truth is firm and durable, as long as the GCC countries share a common destiny and realize that their unity is a force that will always be influential if we effectively agreed on all regional and global economical, political and security issues".
Napoli won't sit back against Liverpool in Champions League - Carlo Ancelotti
It is basically like a final for us and we need to win and hopefully don't concede and if we do, win by a lot of goals. The rest we will see during the game .