When creating a new Model and adding a Company the following Error is displayed. This only happens when a Company has been selected for the preferred Vendor or Manufacturer. If there is nothing selected for either of these entries the Model can save correctly.
A potentially dangerous Request.Form value was detected from the client (ctl00$ContentPageTabSectionPlaceHolder$WebPartManager1$wp2066864447$wp1383408236$Model$FormView_ModelBasicInfo$manufacturer_ForeignGroup_fgnGrpHelper$CompanySearch$resultPageSection$resultFormlet$CompanySearch_AjaxDGC$CompanySearch_AjaxDataGrid$ctl09$companyname="<no manufacturer>").
CA Asset Portfolio Manager 14.1
The company name in the dbo.ca_company table contains special characters e.g. '<no manufacturer>'
Remove the special characters by modifying the company record in the backend database.