diff --git a/src/ol/error.js b/src/ol/error.js
new file mode 100644
index 0000000000..c81ecbe8cd
--- /dev/null
+++ b/src/ol/error.js
@@ -0,0 +1,20 @@
+goog.provide('ol.error');
+
+
+/**
+ * @define
+ * @type {boolean}
+ */
+ol.error.VERBOSE_ERRORS = true;
+
+
+/**
+ * @param {string} message Message.
+ */
+ol.error = function(message) {
+    if (ol.error.VERBOSE_ERRORS) {
+        throw new Error(message);
+    } else {
+        throw null;
+    }
+};