Cannot complete this action. Please try again.

I had written my below for home page issue

I had changed the web part properties and apply then onwards it shows for home page issue

Advanced Thanks

Please try again.

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.Runtime.InteropServices.COMException: Cannot complete this action.

Please try again.

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:

[COMException (0x80004005): Cannot complete this action. Please try again.] Microsoft.SharePoint.Library.SPRequestInternalClass.GetSingleViewSchemaXml(String bstrUrl, String bstrListName, String bstrViewName, Byte iLevel, ISPDataCallback pXMLCallback) +0 Microsoft.SharePoint.Library.SPRequest.GetSingleViewSchemaXml(String bstrUrl, String bstrListName, String bstrViewName, Byte iLevel, ISPDataCallback pXMLCallback) +251 [SPException: Cannot complete this action. Please try again.] Microsoft.SharePoint.SPGlobal.HandleComException(COMException comEx) +146 Microsoft.SharePoint.Library.SPRequest.GetSingleViewSchemaXml(String bstrUrl, String bstrListName, String bstrViewName, Byte iLevel, ISPDataCallback pXMLCallback) +760 Microsoft.SharePoint.SPView.EnsureFullBlownXmlDocument() +1297 Microsoft.SharePoint.SPViewFieldCollection.EnsureViewFields() +60 Microsoft.SharePoint.SPViewFieldCollection.get_Count() +42 Microsoft.SharePoint.SPViewFieldCollection.ToStringCollection() +92 Microsoft.SharePoint.JSGrid.ViewFieldFilter.CreateFilterFieldsCollection() +616 System.Lazy`1.CreateValue() +14337348 System.Lazy`1.LazyInitValue() +524 Microsoft.SharePoint.JSGrid.SPGridInitGenerator.GetCustomFieldInfo() +78 Microsoft.SharePoint.JSGrid.SPGridInitGenerator.GetInitObject(String qualifier) +602 Microsoft.SharePoint.WebPartPages.XsltListViewWebPart.EnsureJSonObject() +1161 Microsoft.SharePoint.WebPartPages.XsltListViewWebPart.OnPreRender(EventArgs e) +352 Microsoft.SharePoint.WebPartPages.WebPartMobileAdapter.OnPreRender(EventArgs e) +138 System.Web.UI.Control.PreRenderRecursiveInternal() +121 System.Web.UI.Control.PreRenderRecursiveInternal() +240 System.Web.UI.Control.PreRenderRecursiveInternal() +240 System.Web.UI.Control.PreRenderRecursiveInternal() +240 System.Web.UI.Control.PreRenderRecursiveInternal() +240 System.Web.UI.Control.PreRenderRecursiveInternal() +240 System.Web.UI.Control.PreRenderRecursiveInternal() +240 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +4090

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Ramesh Palaniappan9y ago
Accepted answer
This type of error occurs when you have delete/edit something and do not updated.For example if you have deleted/edit one custom view and did not update list, and again you are trying to add a custom view with same title and get that view, then you will get this error.If you have deleted/edit the list or list item and did not update the list, and trying to add new item with same title, then this error occurs.So, before trying to add new item make sure that it was updated.
Venkateswarulu S8y ago
I had written my below for home page issue

I had changed the web part properties and apply then onwards it shows for home page issue

Advanced Thanks

Please try again.

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.Runtime.InteropServices.COMException: Cannot complete this action.
Please try again.
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:
[COMException (0x80004005): Cannot complete this action. Please try again.] Microsoft.SharePoint.Library.SPRequestInternalClass.GetSingleViewSchemaXml(String bstrUrl, String bstrListName, String bstrViewName, Byte iLevel, ISPDataCallback pXMLCallback) +0 Microsoft.SharePoint.Library.SPRequest.GetSingleViewSchemaXml(String bstrUrl, String bstrListName, String bstrViewName, Byte iLevel, ISPDataCallback pXMLCallback) +251 [SPException: Cannot complete this action. Please try again.] Microsoft.SharePoint.SPGlobal.HandleComException(COMException comEx) +146 Microsoft.SharePoint.Library.SPRequest.GetSingleViewSchemaXml(String bstrUrl, String bstrListName, String bstrViewName, Byte iLevel, ISPDataCallback pXMLCallback) +760 Microsoft.SharePoint.SPView.EnsureFullBlownXmlDocument() +1297 Microsoft.SharePoint.SPViewFieldCollection.EnsureViewFields() +60 Microsoft.SharePoint.SPViewFieldCollection.get_Count() +42 Microsoft.SharePoint.SPViewFieldCollection.ToStringCollection() +92 Microsoft.SharePoint.JSGrid.ViewFieldFilter.CreateFilterFieldsCollection() +616 System.Lazy`1.CreateValue() +14337348 System.Lazy`1.LazyInitValue() +524 Microsoft.SharePoint.JSGrid.SPGridInitGenerator.GetCustomFieldInfo() +78 Microsoft.SharePoint.JSGrid.SPGridInitGenerator.GetInitObject(String qualifier) +602 Microsoft.SharePoint.WebPartPages.XsltListViewWebPart.EnsureJSonObject() +1161 Microsoft.SharePoint.WebPartPages.XsltListViewWebPart.OnPreRender(EventArgs e) +352 Microsoft.SharePoint.WebPartPages.WebPartMobileAdapter.OnPreRender(EventArgs e) +138 System.Web.UI.Control.PreRenderRecursiveInternal() +121 System.Web.UI.Control.PreRenderRecursiveInternal() +240 System.Web.UI.Control.PreRenderRecursiveInternal() +240 System.Web.UI.Control.PreRenderRecursiveInternal() +240 System.Web.UI.Control.PreRenderRecursiveInternal() +240 System.Web.UI.Control.PreRenderRecursiveInternal() +240 System.Web.UI.Control.PreRenderRecursiveInternal() +240 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +4090