[galaxy-user] long time waiting to run tophat jobs

I have had some tophat jpbs waiting to run for over 20 hrs. Have I done something wrong ? I have never had to wait anything near this time previously, although I have never run tophat before. Matthew The information in this e-mail is intended only for the person to whom it is addressed. If you believe this e-mail was sent to you in error and the e-mail contains patient information, please contact the Partners Compliance HelpLine at http://www.partners.org/complianceline . If the e-mail was sent to you in error but does not contain patient information, please contact the sender and properly dispose of the e-mail.