diff --git a/SuperScriptMaterializer/script_export.cpp b/SuperScriptMaterializer/script_export.cpp
index 91dc759..9830f82 100644
--- a/SuperScriptMaterializer/script_export.cpp
+++ b/SuperScriptMaterializer/script_export.cpp
@@ -29,7 +29,15 @@ inline void generate_pLink_in_pIn(CKContext* ctx, CKParameterIn* cache, scriptDa
 			//WARNING: untested doe to GetClassID() may have chance to return Attributes or CKDataArray accoring to document
 			if (helper->_db_pLink->input_is_bb = (ds_Owner->GetClassID() != CKCID_PARAMETEROPERATION)) {
 				//bb
-				helper->_db_pLink->input_index = ((CKBehavior*)ds_Owner)->GetOutputParameterPosition((CKParameterOut*)directSource);
+				__try
+				{
+					helper->_db_pLink->input_index = ((CKBehavior*)ds_Owner)->GetOutputParameterPosition((CKParameterOut*)directSource);
+				}
+				__except (EXCEPTION_EXECUTE_HANDLER)
+				{
+					//Default to 0
+					helper->_db_pLink->input_index = 0;
+				}
 
 			} else {
 				//pOper
diff --git a/SuperScriptViewer/DecoratorCore.py b/SuperScriptViewer/DecoratorCore.py
index 0512cef..e9cd14c 100644
--- a/SuperScriptViewer/DecoratorCore.py
+++ b/SuperScriptViewer/DecoratorCore.py
@@ -505,10 +505,16 @@ def buildCell(exDb, deDb, target, currentGraphBlockCell):
         exCur.execute("SELECT [name], [type] FROM {} WHERE [thisobj] == ?".format(tableName), (i,))
         temp = exCur.fetchone()
 
-        # submit to database and map
-        currentGraphBlockCell[i] = dcv.BlockCellItem(x, y, dcv.CELL_WIDTH, dcv.CELL_HEIGHT)
-        deCur.execute("INSERT INTO cell VALUES (?, ?, ?, ?, ?, ?, ?)",
-                      (target, i, temp[0], temp[1], x, y, (dcv.CellType.SHORTCUT if cache.isshortcut else dcv.CellType.PLOCAL)))
+        if temp is not None:
+            # submit to database and map
+            currentGraphBlockCell[i] = dcv.BlockCellItem(x, y, dcv.CELL_WIDTH, dcv.CELL_HEIGHT)
+            deCur.execute("INSERT INTO cell VALUES (?, ?, ?, ?, ?, ?, ?)",
+                          (target, i, temp[0], temp[1], x, y, (dcv.CellType.SHORTCUT if cache.isshortcut else dcv.CellType.PLOCAL)))
+        else:
+            # submit to database and map
+            currentGraphBlockCell[i] = dcv.BlockCellItem(x, y, dcv.CELL_WIDTH, dcv.CELL_HEIGHT)
+            deCur.execute("INSERT INTO cell VALUES (?, ?, ?, ?, ?, ?, ?)",
+                          (target, i, "UNKNOWN", "UNKNOWN", x, y, (dcv.CellType.SHORTCUT if cache.isshortcut else dcv.CellType.PLOCAL)))
 
     # comput size and update database and currentGraphBlockCell
     graphX = 0