1 files changed, 1 insertions, 1 deletions

diff --git a/Solvers/VIATRA-Solver/hu.bme.mit.inf.dslreasoner.viatrasolver.partialinterpretation2logic/src/hu/bme/mit/inf/dslreasoner/viatrasolver/partialinterpretation2logic/InstanceModel2PartialInterpretation.xtend b/Solvers/VIATRA-Solver/hu.bme.mit.inf.dslreasoner.viatrasolver.partialinterpretation2logic/src/hu/bme/mit/inf/dslreasoner/viatrasolver/partialinterpretation2logic/InstanceModel2PartialInterpretation.xtend
index 8e5e0661..1bda1f49 100644
--- a/Solvers/VIATRA-Solver/hu.bme.mit.inf.dslreasoner.viatrasolver.partialinterpretation2logic/src/hu/bme/mit/inf/dslreasoner/viatrasolver/partialinterpretation2logic/InstanceModel2PartialInterpretation.xtend
+++ b/Solvers/VIATRA-Solver/hu.bme.mit.inf.dslreasoner.viatrasolver.partialinterpretation2logic/src/hu/bme/mit/inf/dslreasoner/viatrasolver/partialinterpretation2logic/InstanceModel2PartialInterpretation.xtend
@@ -87,7 +87,7 @@ class InstanceModel2PartialInterpretation {
                                         }

                                 } else {

                                         val target = source.eGet(reference) as EObject

-                                        if(target !== null) {

+                                        if(target !== null && object2DefinedElement.containsKey(target)) {

                                                 val targetElement = target.lookup(object2DefinedElement)

                                                 translateLink(interpretation,sourceElement,targetElement)

                                         }