Index: Ringtoets/AssemblyTool/src/Ringtoets.AssemblyTool.IO/Model/SerializableFailureMechanism.cs
===================================================================
diff -u -r1ea93714d7063df84c6ecf043209ef821ca54a70 -ra30b67748bed77736f62b6b3c30c82649bb9cf4e
--- Ringtoets/AssemblyTool/src/Ringtoets.AssemblyTool.IO/Model/SerializableFailureMechanism.cs	(.../SerializableFailureMechanism.cs)	(revision 1ea93714d7063df84c6ecf043209ef821ca54a70)
+++ Ringtoets/AssemblyTool/src/Ringtoets.AssemblyTool.IO/Model/SerializableFailureMechanism.cs	(.../SerializableFailureMechanism.cs)	(revision a30b67748bed77736f62b6b3c30c82649bb9cf4e)
@@ -49,16 +49,18 @@
         /// <param name="failureMechanismType">The type of the failure mechanism.</param>
         /// <param name="failureMechanismGroup">The group of the failure mechanism.</param>
         /// <param name="failureMechanismAssemblyResult">The total failure mechanism assembly result.</param>
-        /// <exception cref="ArgumentNullException">Thrown when any parameter is <c>null</c>.</exception>
+        /// <exception cref="ArgumentException">Thrown when <paramref name="id"/> is <c>null</c> or empty.</exception>
+        /// <exception cref="ArgumentNullException">Thrown when <paramref name="totalAssemblyResult"/>
+        /// or <paramref name="failureMechanismAssemblyResult"/> is <c>null</c>.</exception>
         public SerializableFailureMechanism(string id,
                                             SerializableTotalAssemblyResult totalAssemblyResult,
                                             SerializableFailureMechanismType failureMechanismType,
                                             SerializableFailureMechanismGroup failureMechanismGroup,
                                             SerializableFailureMechanismAssemblyResult failureMechanismAssemblyResult) : this()
         {
-            if (id == null)
+            if (string.IsNullOrEmpty(id))
             {
-                throw new ArgumentNullException(nameof(id));
+                throw new ArgumentException($@"'{nameof(id)}' must have a value.");
             }
 
             if (totalAssemblyResult == null)