Send Slack message rule not populating with all my slack channels or colleagues

Hi @Jessica_Birenz, thanks for reaching out and reporting this issue. Apologies for the late response! Unfortunately, I was unable to reproduce this issue on my end in order to solve it asap, I recommend you to contact our support team so they can have a closer look at your Slack an Asana integration setup: How to contact our Support Team ✉. Please feel free to send them this thread so you don’t need to repeat all the information.