Improve error messages

orx-jvm/orx-dnk3/src/main/kotlin/gltf/GltfScene.kt

@@ -278,9 +278,16 @@ fun GltfFile.buildSceneNodes(): GltfSceneData {
             ibmData.order(ByteOrder.nativeOrder())
             (ibmData as Buffer).position(ibmAccessor.byteOffset + (ibmBufferView.byteOffset ?: 0))
 
-            require(ibmAccessor.type == "MAT4")
-            require(ibmAccessor.componentType == GLTF_FLOAT)
-            require(ibmAccessor.count == joints.size)
+            require(ibmAccessor.type == "MAT4") {
+                "Unsupported inverse bind matrix type: ${ibmAccessor.type}"
+            }
+            require(ibmAccessor.componentType == GLTF_FLOAT) {
+                "Unsupported inverse bind matrix component type: ${ibmAccessor.componentType}"
+            }
+            require(ibmAccessor.count == joints.size) {
+                "Mismatch between inverse bind matrix count (${ibmAccessor.count}) and joints size (${joints.size})"
+
+            }
             val ibms = (0 until ibmAccessor.count).map {
                 val array = DoubleArray(16)
                 for (i in 0 until 16) {