Unable to Undo incorrect constraints (issue #1523)

diff --git a/src/SketchSolver/SketchSolver_Manager.cpp b/src/SketchSolver/SketchSolver_Manager.cpp
index 4f16f7cd7ebcb594274c1c7c44a5d4042c788071..7f4c1e5761e35a8ee59f7997d1430ac8fe25dbb0 100644 (file)
--- a/src/SketchSolver/SketchSolver_Manager.cpp
+++ b/src/SketchSolver/SketchSolver_Manager.cpp
@@ -195,8 +195,9 @@ void SketchSolver_Manager::processEvent(
         }
         if (!(*aGroupIter)->isConsistent()) {  // some constraints were removed, try to split the group
           (*aGroupIter)->splitGroup(aSeparatedGroups);
-          //if (!(*aGroupIter)->getWorkplane()->string(
-          //    SketchPlugin_Sketch::SOLVER_ERROR())->value().empty())
+          if (!(*aGroupIter)->getWorkplane()->string(
+              SketchPlugin_Sketch::SOLVER_ERROR())->value().empty() ||
+              (*aGroupIter)->isFailed())
             aGroupsToResolve.push_back(*aGroupIter);
         }
         aGroupIter++;