The communique also urged the president to protect the independence of the judiciary and INEC.
The co-convener of the organisation, Franklin Oloniju, stated this at a pre-election news conference on Friday in Akure.
Mr Achakpa said that voters with disabilities resorted to assisted-voting.
The Situation Room urged INEC to take measures to ensure that the incidents would not disenfranchise the registered voters in these areas.
INEC has been urged to ensure credible conduct of the November 11 governorship elections in Bayelsa, Imo and Kogi.
The CSOs said the polls was marred by poor organisation, logistical and operational failure, lack of transparency, disruption of voting, and violence.
Catriona Laing expressed concern over a potentially adverse effect of the naira scarcity on logistics for deploying foreign election observers.