Add error msg in BisectionCmd if nkp > 1

src/BisectionCmd.h

@@ -74,6 +74,15 @@ class BisectionCmd : public Cmd
       return 1;
     }
 
+    if ( wf.nkp() > 1 )
+    {
+      if ( ui->onpe0() )
+      {
+        cout << " BisectionCmd: only implemented for k=0" << endl;
+      }
+      return 1;
+    }
+
     if ( nLevels[0] < 0 || nLevels[0] > 5 ||
          nLevels[1] < 0 || nLevels[1] > 5 ||
          nLevels[2] < 0 || nLevels[2] > 5 )