diff --git a/BaseTools/Source/Python/Workspace/DscBuildData.py b/BaseTools/Source/Python/Workspace/DscBuildData.py
index 1d7a6a11b8..e998aa7270 100644
--- a/BaseTools/Source/Python/Workspace/DscBuildData.py
+++ b/BaseTools/Source/Python/Workspace/DscBuildData.py
@@ -943,9 +943,13 @@ class DscBuildData(PlatformBuildClassObject):
                 EdkLogger.error('build', FORMAT_INVALID, ErrStr, File=self.MetaFile, Line=LineNo,
                                 ExtraData="%s.%s" % (TokenSpaceGuid, PcdCName))
             if PcdType in (MODEL_PCD_DYNAMIC_DEFAULT, MODEL_PCD_DYNAMIC_EX_DEFAULT, MODEL_PCD_FIXED_AT_BUILD, MODEL_PCD_PATCHABLE_IN_MODULE):
-                if self._DecPcds[PcdCName, TokenSpaceGuid].DatumType.strip() != ValueList[1].strip():
-                    EdkLogger.error('build', FORMAT_INVALID, "Pcd datumtype used in DSC file is not the same as its declaration in DEC file.", File=self.MetaFile, Line=LineNo,
-                                ExtraData="%s.%s|%s" % (TokenSpaceGuid, PcdCName, Setting))
+                if self._DecPcds[PcdCName, TokenSpaceGuid].BaseDatumType.strip() != ValueList[1].strip():
+                    DecPcd = self._DecPcds[PcdCName, TokenSpaceGuid]
+                    EdkLogger.error('build', FORMAT_INVALID,
+                                    "Pcd datumtype used in DSC file is not the same as its declaration. DatumType:%s"%DecPcd.DatumType,
+                                    File=self.MetaFile, Line=LineNo,
+                                    ExtraData="Dsc:%s.%s|%s\n    Dec:%s.%s|%s|%s|%s" % (TokenSpaceGuid, PcdCName, Setting, TokenSpaceGuid, \
+                                    PcdCName, DecPcd.DefaultValue, DecPcd.DatumType, DecPcd.TokenValue))
         if (TokenSpaceGuid + '.' + PcdCName) in GlobalData.gPlatformPcds:
             if GlobalData.gPlatformPcds[TokenSpaceGuid + '.' + PcdCName] != ValueList[Index]:
                 GlobalData.gPlatformPcds[TokenSpaceGuid + '.' + PcdCName] = ValueList[Index]