dm manager

Ive been trying to use IAM, and have everything setup. I ran a Mass Dm but in the logs it said "empty message text, skipping" i changed my message and now it says "Instagram doesn't like the text" what do you think the problem is? Any help would be appreciated!

I own and manage a 10+ Million follower network on Instagram. I'm looking to expand my sales team and need a software to view / respond to DMs at scale. Would need to support dozens of accounts. I am aware many of these programs exist and can be found with a simple google search. What I need to...