Web Part Error: A Web Part or Web Form Control on this Page cannot be displayed or imported. The type RGICLPhaeIITransactionWebparts.PMFBYGetEnrollmentWebPart.PMFBYGetEnrollmentWebPart, RGICLPhaeIITransactionWebparts, Version=1.0.0.0, Culture=neutral, PublicKeyToken=7920bd2e9b4404f8 could not be found or it is not registered as safe. Correlation ID: d1c790a1-a0ca-904e-3cd1-dd8036deef83.

Error Details:
[UnsafeControlException: A Web Part or Web Form Control on this Page cannot be displayed or imported. The type RGICLPhaeIITransactionWebparts.PMFBYGetEnrollmentWebPart.PMFBYGetEnrollmentWebPart, RGICLPhaeIITransactionWebparts, Version=1.0.0.0, Culture=neutral, PublicKeyToken=7920bd2e9b4404f8 could not be found or it is not registered as safe.]
  at Microsoft.SharePoint.ApplicationRuntime.SafeControls.GetTypeFromGuid(Boolean isAppWeb, Guid guid, Guid solutionId, Nullable`1 solutionWebId, String assemblyFullName, String typeFullName, Boolean throwIfNotSafe)
  at Microsoft.SharePoint.WebPartPages.SPWebPartManager.CreateWebPartsFromRowSetData(Boolean onlyInitializeClosedWebParts)