Hi all, I have a public galaxy server here at FSU that is running behind an apache proxy and on our cluster file system so that jobs can be submitted to our hpc cluster. I have a user that receives an 'Internal Server Error' when going to 'Custom Builds' This error seems to only occur for the one user and from what I can see it may be the case that there is a single mapper is causing the problem. (Sys-admin here, not a bioinformatics person :) The errors I pulled from the logs are below. Is it possible there is some mapper causing the problem? If so is there a way I can remove it? Any help would be appreciated and thanks, Don Shrum FSU Research Computing Center InvalidRequestError: One or more mappers failed to initialize - can't proceed with initialization of other mappers. Original exception was: Class 'kombu.transport.sqlalchemy.Message' is not mapped galaxy.jobs.handler ERROR 2015-05-13 13:44:25,150 Exception in monitor_step WSGI Variables -------------- application: <paste.recursive.RecursiveMiddleware object at 0x8691650> is_api_request: False original_wsgi.url_scheme: 'http' paste.cookies: (<SimpleCookie: __utma='51326654.2116930099.1431360039.1431360039.1431360039.1' __utmz='51326654.1431360039.1.1.utmcsr=directory.fsu.edu|utmccn=(referral)|utmcmd=referral|utmcct=/' _ga='GA1.2.2116930099.1431360039' galaxysession='c6ca0ddb55be603abe1a0bf853fb54302d17fe1509e1ff998221f8b85399eb4a8bcf9d852c6fb740'>, '__utma=51326654.2116930099.1431360039.1431360039.1431360039.1; __utmz=51326654.1431360039.1.1.utmcsr=directory.fsu.edu|utmccn=(referral)|utmcmd=referral|utmcct=/; _ga=GA1.2.2116930099.1431360039; galaxysession=c6ca0ddb55be603abe1a0bf853fb54302d17fe1509e1ff998221f8b85399eb4a8bcf9d852c6fb740') paste.expected_exceptions: [<class 'paste.httpexceptions.HTTPException'>] paste.httpexceptions: <paste.httpexceptions.HTTPExceptionHandler object at 0x867ff10> paste.httpserver.thread_pool: <paste.httpserver.ThreadPool object at 0x8a21f50> paste.recursive.forward: <paste.recursive.Forwarder from /> paste.recursive.include: <paste.recursive.Includer from /> paste.recursive.include_app_iter: <paste.recursive.IncluderAppIter from /> paste.recursive.script_name: '' paste.throw_errors: True request_id: '57170782f99611e4af7a00219ba29ca2' webob._parsed_query_vars: (MultiDict([]), '') wsgi process: 'Multithreaded'