zesk\Exception Class NotFound

The computer error given was:

Class Module_snapshot called from spl_autoload_call: invoked from: /publish/live/zesk/classes/zesk/autoloader.inc: 144 zesk\Autoloader->load('Module_snapshot') closure: -none- zesk\Autoloader->php_autoloader('Module_snapshot') closure: -none- spl_autoload_call('Module_snapshot') /publish/live/zesk/classes/zesk/hooks.inc: 358 ReflectionClass->__construct('Module_snapshot') /publish/live/zesk/classes/zesk/hooks.inc: 550 zesk\Hooks->find_all(array) /publish/live/zesk/modules/permission/classes/module/permission.inc: 295 zesk\Hooks->all_call_arguments(array, array, array, NULL, array) /publish/live/zesk/modules/permission/classes/module/permission.inc: 255 Module_Permission::_permissions_computed(TimeBank) /publish/live/zesk/modules/permission/classes/module/permission.inc: 94 Module_Permission::_permissions(TimeBank) closure: -none- Module_Permission::user_can(User, 'timebank::view_offline', NULL, array) /publish/live/zesk/classes/zesk/hookable.inc: 218 call_user_func_array(array, array) /publish/live/zesk/classes/zesk/hooks.inc: 518 zesk\Hookable::hook_results(NULL, array, array, NULL, NULL, '+') /publish/live/zesk/classes/zesk/hookable.inc: 137 zesk\Hooks->call_arguments(array, array, NULL, NULL, NULL, NULL) /publish/live/zesk/classes/zesk/user.inc: 394 zesk\Hookable->call_hook_arguments('can', array, false) /publish/live/sites/cw/classes/timebank.inc: 1037 zesk\User->can('TimeBank::view_offline') /publish/live/sites/cw/classes/timebank.inc: 975 TimeBank->initialize_application_state(zesk\Route_Controller) closure: -none- TimeBank->hook_router_matched(zesk\Router, zesk\Route_Controller) /publish/live/zesk/classes/zesk/hookable.inc: 218 call_user_func_array(array, array) /publish/live/zesk/classes/zesk/hookable.inc: 130 zesk\Hookable::hook_results(NULL, array, array, NULL, NULL) /publish/live/zesk/classes/zesk/hookable.inc: 71 zesk\Hookable->call_hook_arguments('router_matched', array, zesk\Router) /publish/live/zesk/classes/zesk/application.inc: 1026 zesk\Hookable->call_hook('router_matched', zesk\Router, zesk\Route_Controller) /publish/live/zesk/classes/zesk/application.inc: 1053 zesk\Application->_main_route(zesk\Router) /publish/live/zesk/classes/zesk/application.inc: 1293 zesk\Application->main /publish/live/sites/cw/site/index.php: 46 zesk\Application->index /publish/live/sites/cw/classes/module/snapshot.inc /publish/live/zesk/modules/mysql/classes/module/snapshot.inc /publish/live/zesk/modules/cron/classes/module/snapshot.inc /publish/live/zesk/modules/aws/classes/module/snapshot.inc /publish/live/sites/cw/modules/cw/classes/module/snapshot.inc /publish/live/zesk/modules/nojs/classes/module/snapshot.inc /publish/live/zesk/modules/apache/classes/module/snapshot.inc /publish/live/zesk/modules/selection/classes/module/snapshot.inc /publish/live/zesk/modules/markdown/classes/module/snapshot.inc /publish/live/zesk/modules/jquerytimer/classes/module/snapshot.inc /publish/live/zesk/modules/jqueryui/classes/module/snapshot.inc /publish/live/zesk/modules/openlayers/classes/module/snapshot.inc /publish/live/zesk/modules/tinymce/classes/module/snapshot.inc /publish/live/zesk/modules/bootstrap/classes/module/snapshot.inc /publish/live/zesk/modules/respondjs/classes/module/snapshot.inc /publish/live/zesk/modules/ordering/classes/module/snapshot.inc /publish/live/zesk/modules/masonry/classes/module/snapshot.inc /publish/live/zesk/modules/iless/classes/module/snapshot.inc /publish/live/zesk/modules/icalendar/classes/module/snapshot.inc /publish/live/zesk/modules/preference/classes/module/snapshot.inc /publish/live/zesk/modules/nominatim/classes/module/snapshot.inc /publish/live/zesk/modules/dropfile/classes/module/snapshot.inc /publish/live/zesk/modules/server/classes/module/snapshot.inc /publish/live/zesk/modules/forgot/classes/module/snapshot.inc /publish/live/zesk/modules/job/classes/module/snapshot.inc /publish/live/zesk/modules/file_cache/classes/module/snapshot.inc /publish/live/zesk/modules/content/classes/module/snapshot.inc /publish/live/zesk/modules/contact/classes/module/snapshot.inc /publish/live/zesk/modules/world/classes/module/snapshot.inc /publish/live/zesk/modules/permission/classes/module/snapshot.inc /publish/live/zesk/modules/moment/classes/module/snapshot.inc /publish/live/zesk/modules/bootstrap-datetimepicker/classes/module/snapshot.inc /publish/live/sites/cw/modules/availability/classes/module/snapshot.inc /publish/live/sites/cw/modules/forum/classes/module/snapshot.inc /publish/live/zesk/modules/developer/classes/module/snapshot.inc /publish/live/zesk/modules/workflow/classes/module/snapshot.inc /publish/live/zesk/modules/help/classes/module/snapshot.inc /publish/live/zesk/modules/inplace/classes/module/snapshot.inc /publish/live/zesk/modules/modal_url/classes/module/snapshot.inc /publish/live/zesk/modules/jgrowl/classes/module/snapshot.inc /publish/live/zesk/modules/picker/classes/module/snapshot.inc /publish/live/zesk/modules/image_picker/classes/module/snapshot.inc /publish/live/zesk/modules/csv/classes/module/snapshot.inc /publish/live/zesk/modules/filter_save/classes/module/snapshot.inc /publish/live/zesk/modules/logger_file/classes/module/snapshot.inc /publish/live/zesk/modules/critical/classes/module/snapshot.inc /publish/live/zesk/modules/polyglot/classes/module/snapshot.inc /publish/live/zesk/modules/recaptcha/classes/module/snapshot.inc /publish/live/sites/cw/modules/tbimport/classes/module/snapshot.inc /publish/live/zesk/modules/jquery-unveil/classes/module/snapshot.inc /publish/live/zesk/modules/chosen/classes/module/snapshot.inc /publish/live/zesk/modules/object_cache/classes/module/snapshot.inc /publish/live/zesk/modules/css-inline/classes/module/snapshot.inc /publish/live/zesk/modules/cleaner/classes/module/snapshot.inc /publish/live/zesk/classes/module/snapshot.inc