Usually, when your campaign is stuck in draft/inactive mode and you can't click on "Launch Campaign" or activate the campaign, this could be due to the campaign still being incomplete. 

To change the status of the campaign to Active, both Opt-in Page and Share Page must be created.

Once you have created both the Opt-in Page and Share Page, just click on "Launch Campaign" to set the campaign to active.

If you're still having issues after making sure these things above have been added, feel free to send us a support ticket at 

How to get your support tickets resolved faster
Statistics have shown us that the more you tell us when you report an issue, the faster we solve that ticket. So...
1 - If you have screengrabs, please include them. A picture is worth a thousand words.
2 - If you have recorded a video showing the issue you're having, please include that as well. A video is worth a million words.
We recommend a free service called Loom for creating these videos. (this is a link to
3 - To speed up ticket resolution, follow these useful tips How to Write the Perfect Support Ticket (That Gets Results Fast)