Same thing happened to me, no reason it couldn't be done retrospectively given the last 2 years of membership have largely been a donation.
Waxay ahayd laxdaad uusan hilmaami Karin, islamarkaana uusan istiicaabi Karin, sababtoo ah waxa jiray isbedello dhowr ah oo dhacay shantii sano iyo barkii lasoo dhaafay.