Solange Knowles has a great relationship with the Afropunk community, often lending her talents to their several festivals around the world. Unfortunately, the “Cranes in the Sky” singer has been forced to cancel her epic gig in South Africa for New Year’s Eve after doctors refused to clear her for the long flight and performance.

Knowles took to Instagram to share the news with her loyal fan base, telling them that she has recently been diagnosed with an autonomic disorder.

“I wrote, deleted and re wrote this like 5 times…Still not sure what exactly or how much I want to share…However it’s so important to me for the people in South Africa, a place that has tremendous meaning to me and that has given me SO SO MUCH, to know why I won’t be performing at Afro Punk this NYE.”

“The past five months I have been quietly treating, and working through an Autonomic Disorder. It been a journey that hasn’t been easy on me…Sometimes I feel cool, and other times not so cool at all.”

She continued, “It’s a complicated diagnosis, and I’m still learning so much myself, but right now, my doctors are not clearing me for such an extended lengthy flight, and doing a rigorous show right after.”

Similar to big sis Beyoncé canceling her Coachella gig because of her pregnancy, Solange has full intentions of making up for it by performing at next year’s event.

“I can’t put into words how saddened and sorry I am that I am unable to perform for you guys this NYE, there is simply no other place I wanted to be than there with my family to bring in 2018 with you…….but I give you my ABSOLUTE WORD I will come back with AfroPunk and deliver this performance… it is so extremely important to me to connect with the people who have so closely inspired me in so many ways.”

Solange did not share what type of autonomic disorder she has, but people with it have trouble regulating heart rate, blood pressure, digestion and body temperature as the disorder is a dysfunction in the nervous system.

The disorders could also be the result of another disease, including Parkinson’s, cancer, autoimmune diseases, alcohol abuse or diabetes, according to NYU Langone.