diff --git a/ids-lib/IdsSchema/IdsNodes/IdsSpecification.cs b/ids-lib/IdsSchema/IdsNodes/IdsSpecification.cs
index 3de35e6..3e19eb3 100644
--- a/ids-lib/IdsSchema/IdsNodes/IdsSpecification.cs
+++ b/ids-lib/IdsSchema/IdsNodes/IdsSpecification.cs
@@ -72,7 +72,15 @@ internal protected override Audit.Status PerformAudit(AuditStateInformation stat
                     {
                         var totalFilters = IfcTypeConstraint.Intersect(aF, rF);
                         if (IfcTypeConstraint.IsNotNullAndEmpty(totalFilters))
-                            ret |= IdsErrorMessages.Report201IncompatibleClauses(logger, this, schemaInfo, "impossible match of types between applicability and requirements");
+                        {
+                            var appDesc = aF.ConcreteTypes.Count() > 5
+                                ? $"{aF.ConcreteTypes.Count()} types"
+                                : $"{string.Join(", ", aF.ConcreteTypes)}";
+							var reqDesc = rF.ConcreteTypes.Count() > 5
+								? $"{rF.ConcreteTypes.Count()} types"
+								: $"{string.Join(", ", rF.ConcreteTypes)}";
+							ret |= IdsErrorMessages.Report201IncompatibleClauses(logger, this, schemaInfo, $"impossible match of types between applicability ({appDesc}) and requirements ({reqDesc})");
+                        }
                     }
                 }
             }
diff --git a/ids-tool.tests/IfcPredefinedPropertiesTests.cs b/ids-tool.tests/IfcPredefinedPropertiesTests.cs
index cc69e4e..d13c8d3 100644
--- a/ids-tool.tests/IfcPredefinedPropertiesTests.cs
+++ b/ids-tool.tests/IfcPredefinedPropertiesTests.cs
@@ -94,7 +94,7 @@ public void IfcPropertyNameCoherenceAcrossSchemas()
                     unexpectedMeasureTypes++;
                 }
             }
-            var expectedCount = 526;
+            var expectedCount = 587;
             unexpectedMeasureTypes.Should().Be(expectedCount, $"{expectedCount} is the count of acknowledged variations");
         }
     }