My African Milk Tree developed brownish black spots on it and the leaves are turning yellow when I brought it indoors. . It is about a year old and was outside for all of the summer and warm weather. I took it in recently when it became too windy outside. It fell on its side, but I picked it up and brought it inside as soon as I noticed. It gets about the same amount of light just not as intense now . I don't know if it is rot or sunburn or something else on it and I don't know why it's leaves are turning yellow and drying up and falling off. If anyone can help me understand what is happening and what to do, it'd be highly appreciated.