Rival issues

[Shelly73]

I have completed 2 tasks, but the RIVAL will not advance. Where / how do I contact someone?

 

[Sharmon the Impaler]

I have completed 2 tasks, but the RIVAL will not advance. Where / how do I contact someone?

Tasks in the event or quests in the main game ? They are not the same.

 

[Dominator - X]

I have completed 2 tasks, but the RIVAL will not advance. Where / how do I contact someone?

Someone in one of my guilds did not "Collect" after completing the task. It won't register until you collect.