@@ -20,10 +20,15 @@
 #import "OFString.h"
 
 @implementation OFReadOrWriteFailedException
 @synthesize object = _object, requestedLength = _requestedLength;
 @synthesize errNo = _errNo;
+
++ (instancetype)exception
+{
+	OF_UNRECOGNIZED_SELECTOR
+}
 
 + (instancetype)exceptionWithObject: (id)object
 		    requestedLength: (size_t)requestedLength
 {
 	return [[[self alloc] initWithObject: object