Errors in error log and site not loading some pages

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For the past 2 days, I've been seeing errors and page loading issues when using concrete5. I've built several sites using C5 and haven't run into this yet.

Here are the errors:
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[Tue Jun 07 23:20:05 2011] [error] [client 66.249.68.9] PHP Fatal error: Class 'Loader' not found in /home/ce/public_html/concrete/elements/attribute/type_form_required.php on line 2
[Tue Jun 07 23:10:45 2011] [error] [client 66.249.68.9] PHP Fatal error: Class 'Loader' not found in /home/ce/public_html/concrete/elements/dashboard/notification_list.php on line 36
[Tue Jun 07 22:44:11 2011] [error] [client 66.249.68.9] PHP Fatal error: Class 'Page' not found in /home/ce/public_html/concrete/elements/dashboard/attributes_table.php on line 3
[Tue Jun 07 22:06:01 2011] [error] [client 66.249.68.9] PHP Fatal error: Using $this when not in object context in /home/ce/public_html/concrete/elements/attribute/search_header.php on line 1
[Tue Jun 07 20:26:03 2011] [error] [client 66.249.68.9] PHP Fatal error: Class 'Config' not found in /home/ce/public_html/concrete/blocks/content/editor_config.php on line 2
[Tue Jun 07 17:52:09 2011] [error] [client 66.249.68.9] PHP Fatal error: Class 'Loader' not found in /home/ce/public_html/concrete/elements/profile/sidebar.php on line 1
[Tue Jun 07 17:16:46 2011] [error] [client 66.249.68.9] PHP Fatal error: Class 'Loader' not found in /home/ce/public_html/concrete/blocks/image/controller.php on line 2
[Tue Jun 07 17:12:40 2011] [error] [client 66.249.68.9] PHP Fatal error: Class 'Loader' not found in /home/ce/public_html/concrete/blocks/video/controller.php on line 10
[Tue Jun 07 11:22:05 2011] [error] [client 66.249.68.9] PHP Fatal error: Class 'Model' not found in /home/ce/public_html/concrete/models/signup_request.php on line 2
[Tue Jun 07 10:50:21 2011] [error] [client 66.249.68.9] PHP Fatal error: Class 'Object' not found in /home/ce/public_html/concrete/models/file_version.php on line 3
[Tue Jun 07 10:15:34 2011] [error] [client 66.249.68.9] PHP Fatal error: Class 'Object' not found in /home/ce/public_html/concrete/models/layout.php on line 23
[Tue Jun 07 09:59:56 2011] [error] [client 66.249.68.9] PHP Fatal error: Call to a member function getAreaHandle() on a non-object in /home/ce/public_html/concrete/elements/block_area_layout_controls.php on line 16
[Tue Jun 07 09:59:56 2011] [error] [client 66.249.68.9] PHP Warning: join() [<a href='function.join'>function.join</a>]: Invalid arguments passed in /home/ce/public_html/concrete/elements/block_area_layout_controls.php on line 6
[Tue Jun 07 09:17:45 2011] [error] [client 66.249.68.9] PHP Fatal error: Class 'Object' not found in /home/ce/public_html/concrete/models/system_notification.php on line 3
[Tue Jun 07 08:56:47 2011] [error] [client 66.249.68.9] PHP Fatal error: Class 'Object' not found in /home/ce/public_html/concrete/models/marketplace_remote_item.php on line 13
[Tue Jun 07 08:20:59 2011] [error] [client 66.249.68.9] PHP Fatal error: Class 'Loader' not found in /home/ce/public_html/concrete/elements/scrapbook_lists.php on line 2
[Tue Jun 07 08:18:24 2011] [error] [client 66.249.68.9] PHP Fatal error: Call to undefined function t() in /home/ce/public_html/concrete/elements/block_groups.php on line 2
[Tue Jun 07 07:27:04 2011] [error] [client 66.143.247.199] PHP Fatal error: Call to a member function GetRow() on a non-object in /home/ce/public_html/concrete/models/package.php on line 432, referer:http://construction-expert.com/...
[Tue Jun 07 07:27:04 2011] [error] [client 66.143.247.199] PHP Fatal error: Call to a member function GetRow() on a non-object in /home/ce/public_html/concrete/models/package.php on line 432, referer:http://construction-expert.com/...
[Tue Jun 07 07:27:04 2011] [error] [client 66.143.247.199] PHP Fatal error: Call to a member function GetRow() on a non-object in /home/ce/public_html/concrete/models/package.php on line 432, referer:http://construction-expert.com/...
[Tue Jun 07 07:27:04 2011] [error] [client 66.143.247.199] PHP Fatal error: Uncaught exception 'ADODB_Exception' with message 'mysql error: [2006: MySQL server has gone away] in EXECUTE("insert into Logs (logType, logText, logIsInternal) values ('exceptions', 'Exception Occurred: mysql error: [2006: MySQL server has gone away] in EXECUTE(&quot;select Pages.cID from Pages where cIsTemplate = 0 and cParentID = \\'90\\' order by Pages.cDisplayOrder asc&quot;)\\n\\n#0 /home/ce/public_html/concrete/libraries/3rdparty/adodb/adodb.inc.php(1037): adodb_throw(\\'mysql\\', \\'EXECUTE\\', 2006, \\'MySQL server ha...\\', \\'select Pages.cI...\\', false, Object(ADODB_mysql))\\n#1 /home/ce/public_html/concrete/libraries/3rdparty/adodb/adodb.inc.php(1012): ADOConnection-&gt;_Execute(\\'select Pages.cI...\\', false)\\n#2 /home/ce/public_html/concrete/libraries/3rdparty/adodb/adodb.inc.php(761): ADOConnection-&gt;Execute(\\'select Pages.cI...\\', false)\\n#3 [internal function]: ADOConnection-&gt;Query(\\'select Pages.cI...\\')\\n#4 /home/ce/public_html/concrete/libraries/database.php(73): call_user_func_array(Array, Arra in /home/ce/public_html/concrete/libraries/3rdparty/adodb/adodb-exceptions.inc.php on line 78, referer:http://redz.com/search/page-1__limit-50__engine-meta__type-web__que...
[Tue Jun 07 07:12:52 2011] [error] [client 66.249.68.9] PHP Fatal error: Class 'Loader' not found in /home/ce/public_html/concrete/models/file.php on line 3
[Tue Jun 07 06:56:44 2011] [error] [client 66.249.68.9] PHP Fatal error: Call to undefined function t() in /home/ce/public_html/concrete/elements/collection_attribute_values.php on line 37
[Tue Jun 07 05:34:11 2011] [error] [client 66.249.68.9] PHP Fatal error: Class 'Config' not found in /home/ce/public_html/concrete/elements/editor_config.php on line 2
[Tue Jun 07 04:39:55 2011] [error] [client 66.249.68.9] PHP Fatal error: Call to a member function getCollectionTypeID() on a non-object in /home/ce/public_html/concrete/elements/collection_metadata_fields.php on line 64
[Tue Jun 07 03:45:02 2011] [error] [client 66.249.68.9] PHP Fatal error: Class 'Request' not found in /home/ce/public_html/concrete/tools/css.php on line 3
[Tue Jun 07 03:29:53 2011] [error] [client 66.249.68.9] PHP Fatal error: Class 'Object' not found in /home/ce/public_html/concrete/models/task_permission.php on line 3
[Tue Jun 07 02:19:42 2011] [error] [client 66.249.68.9] PHP Fatal error: Class 'Object' not found in /home/ce/public_html/concrete/models/groups.php on line 22
[Tue Jun 07 01:28:14 2011] [error] [client 66.249.68.9] PHP Fatal error: Class 'ADOdb_Active_Record' not found in /home/ce/public_html/concrete/models/user_banned_ip.php on line 2
[Tue Jun 07 00:19:36 2011] [error] [client 66.249.68.9] PHP Fatal error: require_once() [<a href='function.require'>function.require</a>]: Failed opening required 'DIR_LIBRARIES_CORE/loader.php' (include_path='.:/usr/lib/php:/usr/local/lib/php') in /home/ce/public_html/concrete/tools/spellchecker_service.php on line 7
[Tue Jun 07 00:19:36 2011] [error] [client 66.249.68.9] PHP Warning: require_once(DIR_LIBRARIES_CORE/loader.php) [<a href='function.require-once'>function.require-once</a>]: failed to open stream: No such file or directory in /home/ce/public_html/concrete/tools/spellchecker_service.php on line 7
[Tue Jun 07 00:18:50 2011] [error] [client 66.249.68.9] PHP Fatal error: Class 'Loader' not found in /home/ce/public_html/concrete/libraries/localization.php on line 11
[Tue Jun 07 00:14:18 2011] [error] [client 66.249.68.9] PHP Fatal error: Call to undefined function t() in /home/ce/public_html/concrete/tools/i18n_js.php on line 5
[Mon Jun 06 23:57:37 2011] [error] [client 66.249.68.9] PHP Fatal error: Class 'Config' not found in /home/ce/public_html/concrete/elements/footer_required.php on line 3
[Mon Jun 06 23:48:28 2011] [error] [client 66.249.68.9] PHP Fatal error: Class 'DatabaseItemList' not found in /home/ce/public_html/concrete/models/file_set.php on line 4
[Sun Jun 05 08:07:54 2011] [error] [client 184.76.244.24] PHP Fatal error: Uncaught exception 'ADODB_Exception' with message 'mysql error: [2006: MySQL server has gone away] in EXECUTE("insert into Logs (logType, logText, logIsInternal) values ('exceptions', 'Exception Occurred: mysql error: [2006: MySQL server has gone away] in EXECUTE(&quot;select bID, arHandle, csrID from CollectionVersionBlockStyles where cID = \\'1\\' and cvID = \\'110\\' and csrID &gt; 0&quot;)\\n\\n#0 /home/ce/public_html/concrete/libraries/3rdparty/adodb/adodb.inc.php(1037): adodb_throw(\\'mysql\\', \\'EXECUTE\\', 2006, \\'MySQL server ha...\\', \\'select bID, arH...\\', false, Object(ADODB_mysql))\\n#1 /home/ce/public_html/concrete/libraries/3rdparty/adodb/adodb.inc.php(993): ADOConnection-&gt;_Execute(\\'select bID, arH...\\')\\n#2 /home/ce/public_html/concrete/libraries/3rdparty/adodb/adodb.inc.php(1543): ADOConnection-&gt;Execute(\\'select bID, arH...\\', Array)\\n#3 /home/ce/public_html/concrete/libraries/3rdparty/adodb/adodb.inc.php(1380): ADOConnection-&gt;GetArray(\\'select bID, arH...\\', Array)\\n#4 [internal function]: A in /home/ce/public_html/concrete/libraries/3rdparty/adodb/adodb-exceptions.inc.php on line 78, referer:http://redz.com/search/page-1__limit-50__engine-meta__type-web__que...
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Here is the page not loading

http://construction-expert.com/accidents-and-safety/convergence-vid...

Also the reveal icons in sitemap are not working anymore.

any ideas? Please Advise.

M
XMLA

xmla
View Replies:
xmla replied on at Permalink Reply
xmla
I turned of Track page view statistics. and the pages started loading again, still having problem with the rest.
nteaviation replied on at Permalink Reply
nteaviation
Have you made any changes to the concrete5 core? If not, try reloading just the /concrete directory(the core). The "MySQL server has gone away" error messages are very disturbing. Who is your web provider? Are they messing around?