diff --git a/MVMCoreUI/Atomic/Protocols/MoleculeViewProtocol.swift b/MVMCoreUI/Atomic/Protocols/MoleculeViewProtocol.swift
index 343a2cac..57013638 100644
--- a/MVMCoreUI/Atomic/Protocols/MoleculeViewProtocol.swift
+++ b/MVMCoreUI/Atomic/Protocols/MoleculeViewProtocol.swift
@@ -66,7 +66,15 @@ extension MoleculeViewProtocol {
 public extension ModelRegistry {
     /// Returns the type of molecule view for the given model
     static func getMoleculeClass(_ model: MoleculeModelProtocol) -> MoleculeViewProtocol.Type? {
-        return ModelRegistry.getHandler(model) as? MoleculeViewProtocol.Type
+        do {
+            let type = try ModelRegistry.getHandler(model) as! MoleculeViewProtocol.Type
+            return type
+        } catch {
+            if let errorObject = MVMCoreErrorObject.createErrorObject(for: error, location: #function) {
+                MVMCoreLoggingHandler.shared()?.addError(toLog: errorObject)
+            }
+            return nil
+        }
     }
     
     /// Creates a molecule with the given model.
diff --git a/MVMCoreUI/Behaviors/PageBehaviorHandlerProtocol.swift b/MVMCoreUI/Behaviors/PageBehaviorHandlerProtocol.swift
index b90ac1aa..3b809da0 100644
--- a/MVMCoreUI/Behaviors/PageBehaviorHandlerProtocol.swift
+++ b/MVMCoreUI/Behaviors/PageBehaviorHandlerProtocol.swift
@@ -21,9 +21,15 @@ public extension PageBehaviorHandlerProtocol {
         }
         var behaviors: [PageBehaviorProtocol] = []
         for behaviorModel in behaviorModels {
-            guard let handlerType = ModelRegistry.getHandler(behaviorModel) as? PageBehaviorProtocol.Type else { continue }
-            let behavior = handlerType.init(model: behaviorModel, delegateObject: delegateObject)
-            behaviors.append(behavior)
+            do {
+                let handlerType = try ModelRegistry.getHandler(behaviorModel) as! PageBehaviorProtocol.Type
+                let behavior = handlerType.init(model: behaviorModel, delegateObject: delegateObject)
+                behaviors.append(behavior)
+            } catch {
+                if let errorObject = MVMCoreErrorObject.createErrorObject(for: error, location: #function) {
+                    MVMCoreLoggingHandler.shared()?.addError(toLog: errorObject)
+                }
+            }
         }
         self.behaviors = behaviors.count > 0 ? behaviors : nil
     }