He said it's embarrassing that those in the party are the ones used to destabilise it.
INEC has however disowned the results the APC provided to prove their case.
There was, however, no declaration from the election officers, and his opponents did not concede defeat.
"We are people, politicians who are committed. We know we are forging ahead."
"A lot of people expect a lot from the PDP, beyond what is going on today. We have let down…
The party cleared all twelve aspirants jostling for its ticket to contest the September 22 election.
"The State Working Committee (SWC) of the party has declared a three- day mourning period."
Oparah is expected to appear before the panel on Wednesday.
"After the election, the need for a campaign spokesperson has terminated, and Bwala has moved on with his career."
He expressed optimism that PDP would continue to remain united and the strongest political party in Nigeria.