Here is the error message snippet from the design parse file:
0 => array (
	"function" => "sq_error_handler",
	"args" => array (
		0 => 512,
		1 => "Could not parse design file. Design Area \"design_area_editplus\" is not installed in the system. [CORE0327]",
		2 => "[SYSTEM_ROOT]/core/include/general.inc",
		3 => 1629,
		4 => array (
			[Max Depth Reached]
		) 
	) 
),
1 => array (
	"file" => "[SYSTEM_ROOT]/core/include/general.inc",
	"line" => 1629,
	"function" => "trigger_error",
	"args" => array (
		0 => "Could not parse design file. Design Area \"design_area_editplus\" is not installed in the system. [CORE0327]",
		1 => 512 
	) 
),
2 => array (
	"file" => "[SYSTEM_ROOT]/core/assets/designs/design/design_edit_fns.inc",
	"line" => 1034,
	"function" => "trigger_localised_error",
	"args" => array (
		0 => "CORE0327",
		1 => "Could not parse design file. Design Area \"design_area_editplus\" is not installed in the system.",
		2 => 512 
	) 
),
3 => array (
	"file" => "[SYSTEM_ROOT]/core/assets/designs/design/design_edit_fns.inc",
	"line" => 915,
	"function" => "_processContents",
	"class" => "Design_Edit_Fns",
	"object" => new Design_Edit_Fns Object (
		"tag_name" => "MySource",
		"static_screens" => array (
			[Max Depth Reached]
		),
		"_tmp" => array (
			[Max Depth Reached]
		) 
	),
	"type" => "->",
	"args" => array (
		0 => new Design Object (
			[Max Depth Reached]
		),
		1 => array (
			[Max Depth Reached]
		) 
	) 
),
4 => array (
	"file" => "[SYSTEM_ROOT]/core/assets/designs/design/design_edit_fns.inc",
	"line" => 469,
	"function" => "parseAndProcessFile",
	"class" => "Design_Edit_Fns",
	"object" => new Design_Edit_Fns Object (
		"tag_name" => "MySource",
		"static_screens" => array (
			[Max Depth Reached]
		),
		"_tmp" => array (
			[Max Depth Reached]
		) 
	),
	"type" => "->",
	"args" => array (
		0 => new Design Object (
			[Max Depth Reached]
		) 
	) 
),
5 => array (
	"file" => "[SYSTEM_ROOT]/core/include/asset_edit_interface.inc",
	"line" => 2338,
	"function" => "processEditParseFile",
	"class" => "Design_Edit_Fns",
	"object" => new Design_Edit_Fns Object (
		"tag_name" => "MySource",
		"static_screens" => array (
			[Max Depth Reached]
		),
		"_tmp" => array (
			[Max Depth Reached]
		) 
	),
	"type" => "->",
	"args" => array (
		0 => new Design Object (
			[Max Depth Reached]
		),
		1 => new Backend_Outputter Object (
			[Max Depth Reached]
		),
		2 => "design_17929" 
	) 
),
6 => array (
	"file" => "[SYSTEM_ROOT]/core/include/asset_edit_interface.inc",
	"line" => 2072,
	"function" => "processInline",
	"class" => "Asset_Edit_Interface",
	"object" => new Asset_Edit_Interface Object (
		"_type_code" => "design",
		"_edit_fns" => new Design_Edit_Fns Object (
			[Max Depth Reached]
		),
		"_dirs" => array (
			[Max Depth Reached]
		),
		"_screens" => array (
			[Max Depth Reached]
		),
		"_default_screen" => "",
		"_tmp" => NULL 
	),
	"type" => "->",
	"args" => array (
		0 => new Design Object (
			[Max Depth Reached]
		),
		1 => new Backend_Outputter Object (
			[Max Depth Reached]
		),
		2 => FALSE,
		3 => "parse_file" 
	) 
),
7 => array (
	"file" => "[SYSTEM_ROOT]/core/include/asset.inc",
	"line" => 5997,
	"function" => "process",
	"class" => "Asset_Edit_Interface",
	"object" => new Asset_Edit_Interface Object (
		"_type_code" => "design",
		"_edit_fns" => new Design_Edit_Fns Object (
			[Max Depth Reached]
		),
		"_dirs" => array (
			[Max Depth Reached]
		),
		"_screens" => array (
			[Max Depth Reached]
		),
		"_default_screen" => "",
		"_tmp" => NULL 
	),
	"type" => "->",
	"args" => array (
		0 => new Design Object (
			[Max Depth Reached]
		),
		1 => new Backend_Outputter Object (
			[Max Depth Reached]
		),
		2 => FALSE 
	) 
),
8 => array (
	"file" => "[SYSTEM_ROOT]/core/assets/designs/design_area/design_area.inc",
	"line" => 143,
	"function" => "processBackend",
	"class" => "Asset",
	"object" => new Design Object (
		"id" => "17929",
		"version" => "0.1.60",
		"name" => "Home",
		"short_name" => "Home",
		"status" => "16",
		"languages" => "",
		"charset" => "",
		"force_secure" => "0",
		"created" => 1483689539,
		"created_userid" => "11004",
		"updated" => 1486534158,
		"updated_userid" => "11004",
		"published" => 1483689853,
		"published_userid" => "11004",
		"status_changed" => 1483689853,
		"status_changed_userid" => "11004",
		"_is_cacheable" => FALSE,
		"vars" => array (
			[Max Depth Reached]
		),
		"_available_keywords" => array (
			[Max Depth Reached]
		),
		"data_path_suffix" => "assets/design/0028/17929",
		"data_path" => "[SYSTEM_ROOT]/data/private/assets/design/0028/17929",
		"data_path_public" => "[SYSTEM_ROOT]/data/public/assets/design/0028/17929",
		"_ser_attrs" => TRUE,
		"deprecated" => FALSE,
		"deprecated_since" => "",
		"_tmp" => array (
			[Max Depth Reached]
		) 
	),
	"type" => "->",
	"args" => array (
		0 => new Backend_Outputter Object (
			[Max Depth Reached]
		),
		1 => array (
			[Max Depth Reached]
		) 
	) 
),
9 => array (
	"file" => "[SYSTEM_ROOT]/core/assets/designs/design/design.inc",
	"line" => 602,
	"function" => "processBackend",
	"class" => "Design_Area",
	"object" => new Design Object (
		"id" => "17929",
		"version" => "0.1.60",
		"name" => "Home",
		"short_name" => "Home",
		"status" => "16",
		"languages" => "",
		"charset" => "",
		"force_secure" => "0",
		"created" => 1483689539,
		"created_userid" => "11004",
		"updated" => 1486534158,
		"updated_userid" => "11004",
		"published" => 1483689853,
		"published_userid" => "11004",
		"status_changed" => 1483689853,
		"status_changed_userid" => "11004",
		"_is_cacheable" => FALSE,
		"vars" => array (
			[Max Depth Reached]
		),
		"_available_keywords" => array (
			[Max Depth Reached]
		),
		"data_path_suffix" => "assets/design/0028/17929",
		"data_path" => "[SYSTEM_ROOT]/data/private/assets/design/0028/17929",
		"data_path_public" => "[SYSTEM_ROOT]/data/public/assets/design/0028/17929",
		"_ser_attrs" => TRUE,
		"deprecated" => FALSE,
		"deprecated_since" => "",
		"_tmp" => array (
			[Max Depth Reached]
		) 
	),
	"type" => "->",
	"args" => array (
		0 => new Backend_Outputter Object (
			[Max Depth Reached]
		),
		1 => array (
			[Max Depth Reached]
		) 
	) 
),
10 => array (
	"file" => "[SYSTEM_ROOT]/core/include/asset_manager_edit_fns.inc",
	"line" => 205,
	"function" => "processBackend",
	"class" => "Design",
	"object" => new Design Object (
		"id" => "17929",
		"version" => "0.1.60",
		"name" => "Home",
		"short_name" => "Home",
		"status" => "16",
		"languages" => "",
		"charset" => "",
		"force_secure" => "0",
		"created" => 1483689539,
		"created_userid" => "11004",
		"updated" => 1486534158,
		"updated_userid" => "11004",
		"published" => 1483689853,
		"published_userid" => "11004",
		"status_changed" => 1483689853,
		"status_changed_userid" => "11004",
		"_is_cacheable" => FALSE,
		"vars" => array (
			[Max Depth Reached]
		),
		"_available_keywords" => array (
			[Max Depth Reached]
		),
		"data_path_suffix" => "assets/design/0028/17929",
		"data_path" => "[SYSTEM_ROOT]/data/private/assets/design/0028/17929",
		"data_path_public" => "[SYSTEM_ROOT]/data/public/assets/design/0028/17929",
		"_ser_attrs" => TRUE,
		"deprecated" => FALSE,
		"deprecated_since" => "",
		"_tmp" => array (
			[Max Depth Reached]
		) 
	),
	"type" => "->",
	"args" => array (
		0 => new Backend_Outputter Object (
			[Max Depth Reached]
		),
		1 => array (
			[Max Depth Reached]
		) 
	) 
),
11 => array (
	"file" => "[SYSTEM_ROOT]/core/include/asset_manager.inc",
	"line" => 9648,
	"function" => "paintBackend",
	"class" => "Asset_Manager_Edit_Fns",
	"object" => new Asset_Manager_Edit_Fns Object (
		"am" => new Asset_Manager Object (
			[Max Depth Reached]
		),
		"backend" => new Backend Object (
			[Max Depth Reached]
		),
		"_tmp" => array (
			[Max Depth Reached]
		) 
	),
	"type" => "->",
	"args" => array (
		[Empty]
	) 
),
12 => array (
	"file" => "[SYSTEM_ROOT]/core/include/backend.inc",
	"line" => 1767,
	"function" => "paintBackend",
	"class" => "Asset_Manager",
	"object" => new Asset_Manager Object (
		"_asset_types" => array (
			[Max Depth Reached]
		),
		"_assets" => array (
			[Max Depth Reached]
		),
		"_asset_cache" => new Asset_Cache Object (
			[Max Depth Reached]
		),
		"_system_assetids" => array (
			[Max Depth Reached]
		),
		"_attributes" => array (
			[Max Depth Reached]
		),
		"_get_asset_history" => array (
			[Max Depth Reached]
		),
		"_tmp" => array (
			[Max Depth Reached]
		) 
	),
	"type" => "->",
	"args" => array (
		0 => new Backend Object (
			[Max Depth Reached]
		) 
	) 
),
13 => array (
	"file" => "[SYSTEM_ROOT]/core/include/backend.inc",
	"line" => 232,
	"function" => "_printMain",
	"class" => "Backend",
	"object" => new Backend Object (
		"out" => new Backend_Outputter Object (
			[Max Depth Reached]
		),
		"_tmp" => array (
			[Max Depth Reached]
		) 
	),
	"type" => "->",
	"args" => array (
		[Empty]
	) 
),
14 => array (
	"file" => "[SYSTEM_ROOT]/core/include/mysource.inc",
	"line" => 610,
	"function" => "paint",
	"class" => "Backend",
	"object" => new Backend Object (
		"out" => new Backend_Outputter Object (
			[Max Depth Reached]
		),
		"_tmp" => array (
			[Max Depth Reached]
		) 
	),
	"type" => "->",
	"args" => array (
		[Empty]
	) 
),
15 => array (
	"file" => "[SYSTEM_ROOT]/core/web/index.php",
	"line" => 30,
	"function" => "start",
	"class" => "MySource",
	"object" => new MySource Object (
		"db" => NULL,
		"\0*\0_db_conns" => array (
			[Max Depth Reached]
		),
		"\0*\0_db_stack" => array (
			[Max Depth Reached]
		),
		"\0*\0_run_level_stack" => array (
			[Max Depth Reached]
		),
		"\0*\0_context_stack" => array (
			[Max Depth Reached]
		),
		"backend" => new Backend Object (
			[Max Depth Reached]
		),
		"am" => new Asset_Manager Object (
			[Max Depth Reached]
		),
		"tm" => new Transaction_Manager Object (
			[Max Depth Reached]
		),
		"pm" => new Performance_Manager Object (
			[Max Depth Reached]
		),
		"\0*\0ms" => new Messaging_Service Object (
			[Max Depth Reached]
		),
		"\0*\0mm" => new Metadata_Manager Object (
			[Max Depth Reached]
		),
		"\0*\0hh" => NULL,
		"\0*\0wm" => new Workflow_Manager Object (
			[Max Depth Reached]
		),
		"\0*\0fv" => new File_Versioning Object (
			[Max Depth Reached]
		),
		"\0*\0em" => new Event_Manager Object (
			[Max Depth Reached]
		),
		"\0*\0tag_manager" => new Tag_Manager Object (
			[Max Depth Reached]
		),
		"lm" => new Locale_Manager Object (
			[Max Depth Reached]
		),
		"\0*\0trigger_manager" => new Trigger_Manager Object (
			[Max Depth Reached]
		),
		"log_manager" => NULL,
		"user" => new System_User Object (
			[Max Depth Reached]
		),
		"frontend_asset" => NULL,
		"\0*\0_user_is_root" => FALSE,
		"\0*\0_user_is_sys_admin" => TRUE,
		"\0*\0_user_is_public" => FALSE,
		"\0*\0_msgs" => NULL,
		"\0*\0_global_defines" => NULL,
		"\0*\0_deja_vu" => new Deja_Vu Object (
			[Max Depth Reached]
		),
		"_tmp" => array (
			[Max Depth Reached]
		) 
	),
	"type" => "->",
	"args" => array (
		[Empty]
	) 
)