Here are som e guidelines on how to submit an abstract. The process is fairly easy self explanatory.
First, go to https://www.conftool.com/nordpac2018 and register as a new user og log on to your profile. Registration is free.
After login, go to "Your submissions"
Then click on "Abstract submission"
Fill in the author names, e-mails and affiliations
Then fill in the text of the abstract. This should of course be copied from a text file of some sort. Any images will not be included. To include figures you will be able to upload a document with the figures on the next page.
Then you will see the summary of the abstract.
To finalise your submission you have to upload a file. This can either be a single image (jpg or png), or a set of images (pdf). If you do not have any images in your abstract, upload a blank file.
Here we have uploaded the file figure1.
Press "Upload File(s)" and you should get a page confirming your submission.