Dropbox : issue while re-integrating the folder

I have just deleted my integration because of this issue nd now integrated it again and I cannot select the "sub-folder" where the pdfs and uploaded files be saved. Ive been searching for hours trying to find a solution for this! Please do someone from support contact me..

I can see there is a thread with the same issue , there is an answer , please to assist you better follow the thread  :

http://www.jotform.com/answers/702950-DropBox-integration