Couldn't deny any custom application content in moderation queue

Hi all, I integrated moderation for my custom application in Telligent 11 version and abuse flow works perfect,  after migrated from 11 to 12 all my abuse items listed under Possibly abusive Tab. when I tried to deny to force them into the abuse workflow, It always shows the below message even if the content was created by normal users who has only Registered Users and Everyone permission. Can anyone help me out in this?