the button for recording the director decision on the "abstract review" page is grayed, and I cannot record the decision again.
It seems that the system acts as if the paper will be presented in the congress without having a final written version. This behavior is logical, because several times authors just send an abstract and are not interested into submitting a written version of their paper for publication in the proceedings.
I think that what may induce the error to Track Directors, is that after "inviting presentation" after evaluation of the abstract, they are redirected to the "Paper review" page. If they don't look at the page carefully, they think the system is waiting for another action to confirm, and they press in the "Complete" button to tell the system they have finished. Probably it would be better to redirect them to the "Submissions in Review" list after "Inviting presentation" of the abstract, instead of redirecting to the "Paper review" page, since normally after acceptance of the abstract, there is nothing else to do with the paper until the author uploads the final written version (this is the case in the "abstract followed by presentation" mode, but probably I am missing something in the other cases).
Please, tell me if there is anyway to undo the action by modifying the database.