title: Why am I getting random errors all of a sudden in Xcode when I don't think I changed anything?
body: <p>All of a sudden I am getting crazy random errors when I build my project in Xcode. There are usually around 15 or 16 errors that appear, but they all relate to a 3rd party library, not my own code.</p>
  
  <p>First it was the <code>FMDB</code> library that had all the errors, then randomly later on it was <code>ASIHttp</code> errors, same kind of messages, such as:</p>
  
  <p><code>Illegal interface qualifier</code></p>
  
  <p>Then there are lots of <code>Expected a type</code> errors is a few of the headers, e.g.</p>
  
  <pre><code>- (void)requestStarted:(ASIHTTPRequest *)request;
  - (void)request:(ASIHTTPRequest *)request didReceiveResponseHeaders:(NSDictionary *)responseHeaders;
  - (void)request:(ASIHTTPRequest *)request willRedirectToURL:(NSURL *)newURL;
  - (void)requestFinished:(ASIHTTPRequest *)request;
  - (void)requestFailed:(ASIHTTPRequest *)request;
  - (void)requestRedirected:(ASIHTTPRequest *)request;
  </code></pre>
  
  <p>All of the above lines error.</p>
  
  <p>The only warning I have is to do with my own code, which is:</p>
  
  <p><code>Incomplete implementation</code> however it seems to me like it is complete, there is nothing missing from the class that I have in the header.</p>
  
  <p>It's totally blowing my mind, I have no idea what's wrong, so if anybody could help I'd really appreciate it.</p>
  
  <p>Thanks in advance.</p>