Server Error in '/' Application.

Cannot find ContentPlaceHolder 'cp_head' in the master page '/masterpages/umbMaster.master', verify content control's ContentPlaceHolderID attribute in the content page.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.Web.HttpException: Cannot find ContentPlaceHolder 'cp_head' in the master page '/masterpages/umbMaster.master', verify content control's ContentPlaceHolderID attribute in the content page.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:


[HttpException (0x80004005): Cannot find ContentPlaceHolder 'cp_head' in the master page '/masterpages/umbMaster.master', verify content control's ContentPlaceHolderID attribute in the content page.]
   System.Web.UI.MasterPage.CreateMaster(TemplateControl owner, HttpContext context, VirtualPath masterPageFile, IDictionary contentTemplateCollection) +797
   System.Web.UI.MasterPage.get_Master() +42
   System.Web.UI.MasterPage.ApplyMasterRecursive(MasterPage master, IList appliedMasterFilePaths) +20
   System.Web.UI.Page.ApplyMasterPage() +133
   System.Web.UI.Page.PerformPreInit() +45
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +335


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.36480

Request Details

Session Id:lkvmnuzg0ogdmausolvzwlrcRequest Type:GET
Time of Request:30/03/2024 2:19:39 AMStatus Code:500
Request Encoding:Unicode (UTF-8)Response Encoding:Unicode (UTF-8)

Trace Information

CategoryMessageFrom First(s)From Last(s)
aspx.pageBegin PreInit
umbracoInithandling request0.0000320.000032
request handlercurrent url '/support/knowledge-base.aspx'0.0004250.000393
umbracoRequestHandlerxpath: '/root/*/* [@urlName = "support"]/* [@urlName = "knowledge-base"] | /root/* [@urlName = "knowledge-base"]'0.0026380.002213
umbracoRequestHandlerJust before xPath query (False, '/root/*/* [@urlName = "support"]/* [@urlName = "knowledge-base"] | /root/* [@urlName = "knowledge-base"]')0.0026640.000026
umbracoRequestHandlerpageXPathQueryStart: '/root'0.0026740.000010
umbracoRequestHandlerAdding to cache... ('/support/knowledge-base.aspx')0.0028460.000172
umbracoRequestHandlerAfter xPath query0.0028570.000011
umbracoRequestHandlerAccess checking started0.0028760.000020
umbracoRequestHandlerPage not protected0.0029370.000061
umbracoRequestHandlerAccess checking ended0.0029480.000010
umbracoInitDone handling request0.0029570.000009
umbracoPageElement loaded: bodyText0.0031450.000188
umbracoPageElement loaded: tags0.0031630.000018
umbracoPageElement loaded: closeComments0.0031800.000017
umbracoPageElement loaded: PostDate0.0034140.000235
umbracoPagePagedata loaded for Knowledge Base (ID: 1083)0.0034610.000047
umbracoPageLooking up skin information0.0034980.000036
Unhandled Execution Error
Cannot find ContentPlaceHolder 'cp_head' in the master page '/masterpages/umbMaster.master', verify content control's ContentPlaceHolderID attribute in the content page.
  at System.Web.UI.MasterPage.CreateMaster(TemplateControl owner, HttpContext context, VirtualPath masterPageFile, IDictionary contentTemplateCollection)
  at System.Web.UI.MasterPage.get_Master()
  at System.Web.UI.MasterPage.ApplyMasterRecursive(MasterPage master, IList appliedMasterFilePaths)
  at System.Web.UI.Page.ApplyMasterPage()
  at System.Web.UI.Page.PerformPreInit()
  at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
0.0196940.016197

Control Tree

Control UniqueIDTypeRender Size Bytes (including children)ViewState Size Bytes (excluding children)ControlState Size Bytes (excluding children)
__PageASP.default_aspx000
    ctl00ASP.masterpages_umbblogpost_master000

Session State

Session KeyTypeValue

Application State

Application KeyTypeValue
umbracoUrlSystem.String172.16.0.14:8001/umbraco
umbracoNeedConfigurationSystem.BooleanFalse

Request Cookies Collection

NameValueSize

Response Cookies Collection

NameValueSize

Headers Collection

NameValue
ConnectionKeep-Alive
Accept*/*
Host172.16.0.14:8001
User-Agentclaudebot
X-Forwarded-Protohttp
X-Forwarded-For18.206.14.46
X-Forwarded-Hostbizzxe.com
X-Forwarded-Serverwww.bizzxe.com

Response Headers Collection

NameValue
X-AspNet-Version4.0.30319
Cache-Controlprivate
Content-Typetext/html

Form Collection

NameValue

Querystring Collection

NameValue

Server Variables

NameValue
ALL_HTTPHTTP_CONNECTION:Keep-Alive HTTP_ACCEPT:*/* HTTP_HOST:172.16.0.14:8001 HTTP_USER_AGENT:claudebot HTTP_X_FORWARDED_PROTO:http HTTP_X_FORWARDED_FOR:18.206.14.46 HTTP_X_FORWARDED_HOST:bizzxe.com HTTP_X_FORWARDED_SERVER:www.bizzxe.com
ALL_RAWConnection: Keep-Alive Accept: */* Host: 172.16.0.14:8001 User-Agent: claudebot X-Forwarded-Proto: http X-Forwarded-For: 18.206.14.46 X-Forwarded-Host: bizzxe.com X-Forwarded-Server: www.bizzxe.com
APPL_MD_PATH/LM/W3SVC/3/ROOT
APPL_PHYSICAL_PATHD:\BizzxeCommon\Doc\
AUTH_TYPE 
AUTH_USER 
AUTH_PASSWORD 
LOGON_USER 
REMOTE_USER 
CERT_COOKIE 
CERT_FLAGS 
CERT_ISSUER 
CERT_KEYSIZE 
CERT_SECRETKEYSIZE 
CERT_SERIALNUMBER 
CERT_SERVER_ISSUER 
CERT_SERVER_SUBJECT 
CERT_SUBJECT 
CONTENT_LENGTH0
CONTENT_TYPE 
GATEWAY_INTERFACECGI/1.1
HTTPSoff
HTTPS_KEYSIZE 
HTTPS_SECRETKEYSIZE 
HTTPS_SERVER_ISSUER 
HTTPS_SERVER_SUBJECT 
INSTANCE_ID3
INSTANCE_META_PATH/LM/W3SVC/3
LOCAL_ADDR172.16.0.14
PATH_INFO/default.aspx
PATH_TRANSLATEDD:\BizzxeCommon\Doc\default.aspx
QUERY_STRING 
REMOTE_ADDR172.16.100.1
REMOTE_HOST172.16.100.1
REMOTE_PORT45971
REQUEST_METHODGET
SCRIPT_NAME/default.aspx
SERVER_NAME172.16.0.14
SERVER_PORT8001
SERVER_PORT_SECURE0
SERVER_PROTOCOLHTTP/1.1
SERVER_SOFTWAREMicrosoft-IIS/7.0
URL/default.aspx
HTTP_CONNECTIONKeep-Alive
HTTP_ACCEPT*/*
HTTP_HOST172.16.0.14:8001
HTTP_USER_AGENTclaudebot
HTTP_X_FORWARDED_PROTOhttp
HTTP_X_FORWARDED_FOR18.206.14.46
HTTP_X_FORWARDED_HOSTbizzxe.com
HTTP_X_FORWARDED_SERVERwww.bizzxe.com

Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.36480