diff --git a/org.eclipse.jdt.core.tests.compiler/src/org/eclipse/jdt/core/tests/compiler/regression/NullAnnotationTest.java b/org.eclipse.jdt.core.tests.compiler/src/org/eclipse/jdt/core/tests/compiler/regression/NullAnnotationTest.java
index 279b70c..19b79ef 100644
--- a/org.eclipse.jdt.core.tests.compiler/src/org/eclipse/jdt/core/tests/compiler/regression/NullAnnotationTest.java
+++ b/org.eclipse.jdt.core.tests.compiler/src/org/eclipse/jdt/core/tests/compiler/regression/NullAnnotationTest.java
@@ -52,7 +52,7 @@
 // Static initializer to specify tests subset using TESTS_* static variables
 // All specified tests which do not belong to the class are skipped...
 static {
-//		TESTS_NAMES = new String[] { "test_illegal_annotation_00" };
+//		TESTS_NAMES = new String[] { "test_illegal_annotation_007" };
 //		TESTS_NUMBERS = new int[] { 561 };
 //		TESTS_RANGE = new int[] { 1, 2049 };
 }
@@ -1812,6 +1812,42 @@
 		"----------\n");
 }
 
+// a configured annotation type does not exist
+// see https://bugs.eclipse.org/bugs/show_bug.cgi?id=186342#c133
+public void test_illegal_annotation_007() {
+	Map customOptions = getCompilerOptions();
+	runNegativeTestWithLibs(
+		new String[] {
+			"p/Test.java",
+			"package p;\n" +
+			"import org.eclipse.jdt.annotation.*;\n" +
+			"interface TestInt{\n" +
+			"	@NonNull Object foo();\n" +
+			"}\n" +
+			"\n" +
+			"public class Test { \n" +
+			"	void bar() {" +
+			"		new TestInt() {\n" +
+			"        	@org public Object foo() {\n" +
+			"        	}\n" +
+			"		};\n" +
+			"	}\n" +
+			"}"
+		},
+		customOptions,
+		"----------\n" + 
+		"1. ERROR in p\\Test.java (at line 9)\n" + 
+		"	@org public Object foo() {\n" + 
+		"	 ^^^\n" + 
+		"org cannot be resolved to a type\n" + 
+		"----------\n" + 
+		"2. ERROR in p\\Test.java (at line 9)\n" + 
+		"	@org public Object foo() {\n" + 
+		"	            ^^^^^^\n" + 
+		"The return type is incompatible with the @NonNull return from TestInt.foo()\n" + 
+		"----------\n");
+}
+
 public void test_default_nullness_002() {
 	Map customOptions = getCompilerOptions();
 //	customOptions.put(CompilerOptions.OPTION_ReportPotentialNullSpecViolation, JavaCore.ERROR);
diff --git a/org.eclipse.jdt.core/compiler/org/eclipse/jdt/internal/compiler/problem/ProblemReporter.java b/org.eclipse.jdt.core/compiler/org/eclipse/jdt/internal/compiler/problem/ProblemReporter.java
index a21174e..f3e8a5a 100644
--- a/org.eclipse.jdt.core/compiler/org/eclipse/jdt/internal/compiler/problem/ProblemReporter.java
+++ b/org.eclipse.jdt.core/compiler/org/eclipse/jdt/internal/compiler/problem/ProblemReporter.java
@@ -8128,7 +8128,7 @@
 	Annotation[] annotations = methodDecl.annotations;
 	if (annotations != null) {
 		for (int i=0; i<annotations.length; i++) {
-			if (annotations[i].resolvedType.id == TypeIds.T_ConfiguredAnnotationNullable) {
+			if (annotations[i].resolvedType != null && annotations[i].resolvedType.id == TypeIds.T_ConfiguredAnnotationNullable) {
 				sourceStart = annotations[i].sourceStart;
 				break;
 			}