Durham link errors

On pageLinkProblemDetected
http://joinermarriageindex.co.uk/pjoiner/genuki/DUR/index.htmlcollection http://www.genuki.bpears.org.uk/NBL/NCLLib/NCLGG6.html500 Internal Server Error13 Jul 2014
http://joinermarriageindex.co.uk/pjoiner/genuki/DUR/index.htmlTranscripts or indexes http://www.genuki.bpears.org.uk/NBL/NCLLib/NCLGG5.html500 Internal Server Error13 Jul 2014
http://joinermarriageindex.co.uk/pjoiner/genuki/DUR/index.html collection http://www.genuki.bpears.org.uk/NBL/NCLLib/NCLUG3.html500 Internal Server Error13 Jul 2014
http://joinermarriageindex.co.uk/pjoiner/genuki/DUR/index.htmlElectoral Registers and Poll Books http://www.genuki.bpears.org.uk/NBL/NCLLib/NCLGG7.html500 Internal Server Error13 Jul 2014
http://joinermarriageindex.co.uk/pjoiner/genuki/DUR/index.html Durham ftp://ftp.cac.psu.edu/pub/genealogy/text/data/ukwitdur.zip404 Cant chdir to genealogy1 Nov 2014
http://joinermarriageindex.co.uk/pjoiner/genuki/DUR/index.htmlhttp://genuki.bpears.org.uk/NBL/DeathNotices http://genuki.bpears.org.uk/NBL/DeathNoticesinsert missing trailing /2 Mar 2015
http://joinermarriageindex.co.uk/pjoiner/genuki/DUR/index.html Durham Look-up Exchange http://www.redmire.net/lookup/dur.html403 Forbidden27 Apr 2015
http://joinermarriageindex.co.uk/pjoiner/genuki/DUR/index.htmlftp http://www.genuki.org.uk/org/ftp.html404 Not Found25 May 2015
http://joinermarriageindex.co.uk/pjoiner/genuki/DUR/Stockton/index.html Stockton St. James, Durham ftp://ftp.cac.psu.edu/pub/genealogy/text/guides/mstocsj.zip404 Cant chdir to genealogy1 Nov 2014

9 problems found.