added additional info to PPL error message

clang-format fix

Signed-off-by: Jeff Ng <[email protected]>

Author: jeffng-or

src/ppl/src/IOPlacer.cpp

@@ -1807,7 +1807,14 @@ void IOPlacer::initConstraints(bool annealing)
         constraints_no_slots++;
       }
     } else {
-      logger_->error(PPL, 76, "Constraint does not have available slots.");
+      logger_->error(PPL,
+                     76,
+                     "Constraint with {} pins on region {:.2f}um-{:.2f}um on "
+                     "the {} edge does not have available slots.",
+                     constraint.pin_list.size(),
+                     getBlock()->dbuToMicrons(region_begin),
+                     getBlock()->dbuToMicrons(region_end),
+                     region_edge);
     }
   }