I am using PM5 (beta 4) and Mac OS X 10.7.4. I have copied and pasted the error log below Thanks for your help!
TIMESTAMP STATUS LOCAL_PATH SERVICE_TYPE REMOTE_PATH SIZE MD5_DIGEST
2012-07-24 18:20:00 [ERROR] /Users/glennpollock/Pictures/North Oakland Geocaching/North Oakland Geocaching/North Oakland Geocaching_Jun 29 2012_10-39__©Glenn_Pollock 1.ARW Zenfolio /Applications/Photo Mechanic 5.app/Contents/ruby/lib/ruby/1.8/net/protocol.rb:175:in `write': Broken pipe
2012-07-24 18:20:11 [ERROR] /Users/glennpollock/Pictures/North Oakland Geocaching/North Oakland Geocaching/North Oakland Geocaching_Jun 29 2012_10-40__©Glenn_Pollock 3.ARW Zenfolio #<Net::HTTPClientError 498 Invalid format readbody=true> - {"cache-control"=>["private"], "connection"=>["close"], "date"=>["Tue, 24 Jul 2012 22:20:10 GMT"], "access-control-allow-origin"=>["
http://www.zenfolio.com"], "content-type"=>["text/plain; charset=utf-8"], "server"=>["Microsoft-IIS/7.5"], "set-cookie"=>["zf_token=c5MlOQYn3m6-bwPSceknIOeiqNgYyf2WIKT3zTGdCGcE-icsI2GRotXZBBtpFWYQeIFlpSLltGy7KBJ_oV3hS35r8cnonxAmJjFk2M2U69KCjxxLxvHDl6ENVqFGN4idOsZpL12rzTu35GzbS3ktWRmAYMuXsBFddbqw44OZ8haEycFceE8eaqeWERAMeuWm; path=/", "zf_5y_visitor=UJl-WLSskOs0CP3m1NTn2mMVfm8AAAAA5gHsUNTsLkoP; expires=Fri, 22-Jul-2022 22:20:00 GMT; path=/"]}
2012-07-24 18:20:20 [ERROR] /Users/glennpollock/Pictures/North Oakland Geocaching/North Oakland Geocaching/North Oakland Geocaching_Jun 29 2012_11-06__©Glenn_Pollock 1.ARW Zenfolio #<Net::HTTPClientError 498 Invalid format readbody=true> - {"cache-control"=>["private"], "connection"=>["close"], "date"=>["Tue, 24 Jul 2012 22:20:19 GMT"], "access-control-allow-origin"=>["
http://www.zenfolio.com"], "content-type"=>["text/plain; charset=utf-8"], "server"=>["Microsoft-IIS/7.5"], "set-cookie"=>["zf_token=XN6nuNdzUvl7hy0nDMf6KTwHU0uGD_fNEI3FF7uMapJ0RJzyCt-Pr1qXqqg_cUa1prMNCSKQflU9EBA3fMKkEKDaVGoruqWMQvdoIBDbWrtVtLIxtrsNMUZOqsV2H2oQPtU7LDtt17mfvs6WIDDkPPXw6Q55F4jO-mBE9eHJdf0qiDrGXML-760qHo_iExhe; path=/", "zf_5y_visitor=4ENB9-4lN-NXT3OM4hoDPWMVfm8AAAAAoQjbq1q74QK8; expires=Fri, 22-Jul-2022 22:20:06 GMT; path=/"]}
2012-07-24 18:20:26 [ERROR] /Users/glennpollock/Pictures/North Oakland Geocaching/North Oakland Geocaching/North Oakland Geocaching_Jun 29 2012_13-16__©Glenn_Pollock 2.ARW Zenfolio /Applications/Photo Mechanic 5.app/Contents/ruby/lib/ruby/1.8/net/protocol.rb:175:in `write': Broken pipe
2012-07-24 18:20:26 [ERROR] /Users/glennpollock/Pictures/North Oakland Geocaching/North Oakland Geocaching/North Oakland Geocaching_Jun 29 2012_13-13__©Glenn_Pollock.ARW Zenfolio #<Net::HTTPClientError 498 Invalid format readbody=true> - {"cache-control"=>["private"], "connection"=>["close"], "date"=>["Tue, 24 Jul 2012 22:20:24 GMT"], "access-control-allow-origin"=>["
http://www.zenfolio.com"], "content-type"=>["text/plain; charset=utf-8"], "server"=>["Microsoft-IIS/7.5"], "set-cookie"=>["zf_token=M0mAIMBhKUpf6ESEHDiZpWCmzkvLzJDl4pxP2rDtj-8UFFSuRxUeCQMb4UhqDROQh1m1Mm0YbH-rKHDNJXvXRnlvOKD1TQsRD-OXmvqPs6qdGojovKyeKfKV20sOJZ51FIjbz5F2XAC1yOyG7Kkx9UVP6J8o4WPXjpRILaPIamkBZh24F2DKXc8VUIktKVdo; path=/", "zf_5y_visitor=K2RC35-Y3RHBI-tmP501eWMVfm8AAAAAuOCRA-wJiMlH; expires=Fri, 22-Jul-2022 22:20:16 GMT; path=/"]}
2012-07-24 18:20:28 [ERROR] /Users/glennpollock/Pictures/North Oakland Geocaching/North Oakland Geocaching/North Oakland Geocaching_Jun 29 2012_13-19__©Glenn_Pollock.ARW Zenfolio /Applications/Photo Mechanic 5.app/Contents/ruby/lib/ruby/1.8/net/protocol.rb:175:in `write': Broken pipe
2012-07-24 18:20:34 [ERROR] /Users/glennpollock/Pictures/North Oakland Geocaching/North Oakland Geocaching/North Oakland Geocaching_Jun 29 2012_13-17__©Glenn_Pollock.ARW Zenfolio #<Net::HTTPClientError 498 Invalid format readbody=true> - {"cache-control"=>["private"], "connection"=>["close"], "date"=>["Tue, 24 Jul 2012 22:20:33 GMT"], "access-control-allow-origin"=>["
http://www.zenfolio.com"], "content-type"=>["text/plain; charset=utf-8"], "server"=>["Microsoft-IIS/7.5"], "set-cookie"=>["zf_token=BJpLAxSzQO1g17qv8IXh2ORdikeEAkScI1SHhPdPCNjOo98QX5biuXOSSHjiX6s887EUOmZCFobzZwvIB8YdphqquAGsThxeMqlTOPZn4h98B-6W5J6SZWvDJgrqJ0n9WIjU1kowGY2jKwOIJq1TwMSczj-5rA1iZXzDpq--Nv1AEdpLtk5QvjZsY7YlqCtP; path=/", "zf_5y_visitor=w2tGltQUK3Q_O0puLnDlHWMVfm8AAAAAe1kRKJFWsVxH; expires=Fri, 22-Jul-2022 22:20:27 GMT; path=/"]}