no error here

stepmania/src/RageSoundReader_Preload.cpp

@@ -65,11 +65,7 @@ bool RageSoundReader_Preload::Open( RageSoundReader *pSource )
 		int iCnt = pSource->Read( buffer, sizeof(buffer) / iBytesPerFrame );
 
 		if( iCnt < 0 )
-		{
-			/* XXX untested */
-			SetError(pSource->GetError());
 			return false;
-		}
 		if( iCnt == END_OF_FILE )
 			break;
 

stepmania/src/RageSoundReader_Preload.h

@@ -22,6 +22,7 @@ public:
 	bool IsStreamingFromDisk() const { return false; }
 	int GetNextSourceFrame() const;
 	float GetStreamToSourceRatio() const { return m_fRate; }
+	RString GetError() const { return ""; }
 
 	/* Return the total number of copies of this sound.  (If 1 is returned,
 	 * this is the last copy.) */