Facebook 301 Circular Redirect Error

Hi there are a lot of posts here but none of them solve my problem or help me so I am starting a new question. Hope someone can help me. For no reason I can tell, suddenly from one day to the next (after, however, the “new” Facebook appeared) my blog page is suddenly getting a thumbnail that says “301 moved permanently?” when I try to share it, and when I try to de-bug it it gives me the “Circular Redirect” error. The link,however, works. It is purely a facebook share issue, however that is a huge deal this exact page is the most important page that I want to share on facebook to promote my events. Otherwise I wouldn’t even have a facebook account!!!

NOTHING changed on my end with regard to the page. Here is the page that I am trying to share: https://www.nzvegan.com/aava/?page_id=111

Here is the circular redirect error: https://developers.facebook.com/tools/debug/og/object?q=http%3A%2F%2Fwww.nzvegan.com%2Faava%2F%3Fpage_id%3D111

Note – i have a web hoster who set up this blog for me. I didn’t set up WOrdpress myself. If he needs to change something, please can you tell me what to tell him to change? I am pretty sure he is a beginner wordpress installer also. >:(

Thank you and I appreciate ANY HELP. I searched for two hours this morning before I gave up trying to find an answer. I have installed three new plug ins that supposedly could help, and they didn’t work either (Facebook Open Graph Meta in WordPress Plugin; Redirection plugin; Add image_src Meta Tag plugin)

thanks again