Hi guys ill be happy to get someone help, 
I did all the process and after that the dataset not created and i want to try to make new dataset for the CAPI again i cant find the Instagram account. 

No i went into instagram setting Website & Permission and i saw over there ManyChat Connected i tried to remove it and still is not shown on facebook CAPI process 
Connect Data > Messaging > Instagram Account > *instagram not shown any more* 
What should i do i have no idea. 

Ill very appriciate any help.