Talks in Belfast to form a power-sharing executive at Stormont could be back in trouble.
A series of deadlines to find a way to restore devolution have been missed.
The latest one set for tomorrow appears to be in jeopardy too.
The sticking points between Sinn Féin and the Democratic Unionist Party (DUP) include demands for an Irish Language Act, marriage equality and a way to deal with the legacy of the North's violent past.
British Prime Minister Theresa May had phone conversations with the parties on Friday, urging them to reach agreement.
Sinn Féin President Gerry Adams said on Saturday he didn't think a deal could be reached by Monday.
If there is no agreement by then, it could mean calling a snap assembly election, setting another deadline or direct rule from Westminster.