diff --git a/MVMCoreUI/Atomic/Molecules/Items/DropDownListItemModel.swift b/MVMCoreUI/Atomic/Molecules/Items/DropDownListItemModel.swift
index 0cd2f5ef..deb2374b 100644
--- a/MVMCoreUI/Atomic/Molecules/Items/DropDownListItemModel.swift
+++ b/MVMCoreUI/Atomic/Molecules/Items/DropDownListItemModel.swift
@@ -8,6 +8,7 @@
 
 import Foundation
 
+
 @objcMembers public class DropDownListItemModel: ListItemModel, MoleculeModelProtocol {
     //--------------------------------------------------
     // MARK: - Properties
@@ -17,6 +18,10 @@ import Foundation
     public var molecules: [[ListItemModelProtocol & MoleculeModelProtocol]]
     public var dropDown: ItemDropdownEntryFieldModel
     
+    //--------------------------------------------------
+    // MARK: - Methods
+    //--------------------------------------------------
+    
     /// Defaults to set
     public override func setDefaults() {
         super.setDefaults()
@@ -24,14 +29,25 @@ import Foundation
         line = LineModel(type: .none)
         style = "sectionFooter"
     }
+    
+    //--------------------------------------------------
+    // MARK: - Functions
+    //--------------------------------------------------
+    
+    public class func verify(dropdown: ItemDropdownEntryFieldModel, molecules: [[ListItemModelProtocol & MoleculeModelProtocol]]) throws {
+        guard dropdown.options.count == molecules.count else {
+            throw MolecularError.countImbalance("dropdown.options.count is not equal to molecules.count")
+        }
+    }
 
     //--------------------------------------------------
     // MARK: - Initializer
     //--------------------------------------------------
     
-    public init(molecules: [[ListItemModelProtocol & MoleculeModelProtocol]], dropDown: ItemDropdownEntryFieldModel) {
+    public init(molecules: [[ListItemModelProtocol & MoleculeModelProtocol]], dropDown: ItemDropdownEntryFieldModel) throws {
         self.molecules = molecules
         self.dropDown = dropDown
+        try Self.verify(dropdown: dropDown, molecules: molecules)
         super.init()
     }
     
@@ -53,6 +69,7 @@ import Foundation
         let typeContainer = try decoder.container(keyedBy: CodingKeys.self)
         molecules = try typeContainer.decodeModels2DIfPresent(codingKey: .molecules) ?? [[]]
         dropDown = try typeContainer.decode(ItemDropdownEntryFieldModel.self, forKey: .dropDown)
+        try Self.verify(dropdown: dropDown, molecules: molecules)
         try super.init(from: decoder)
     }
 
diff --git a/MVMCoreUI/Atomic/Protocols/ModelProtocols/MoleculeModelProtocol.swift b/MVMCoreUI/Atomic/Protocols/ModelProtocols/MoleculeModelProtocol.swift
index 913c3bd0..dda19b35 100644
--- a/MVMCoreUI/Atomic/Protocols/ModelProtocols/MoleculeModelProtocol.swift
+++ b/MVMCoreUI/Atomic/Protocols/ModelProtocols/MoleculeModelProtocol.swift
@@ -1,6 +1,12 @@
 import Foundation
 
 
+public enum MolecularError: Swift.Error {
+    case error(String)
+    case countImbalance(String)
+}
+
+
 public protocol MoleculeModelProtocol: ModelProtocol {
     var moleculeName: String { get }
     var backgroundColor: Color? { get set }