Index: libcfa/src/parseconfig.cfa
===================================================================
--- libcfa/src/parseconfig.cfa	(revision 5e0e488c66363e04e515e87f06604a0a775faa84)
+++ libcfa/src/parseconfig.cfa	(revision b532fcf2598cbbaa2979cdfbe12492ea7e2cc687)
@@ -55,9 +55,4 @@
 		  	// Should we just overwrite duplicate config entries? Having a hash map would make this much easier
 			in | value;
-			if ( value < 0 ) {
-				close( in );
-				exit | "Error: file \"" | configFile | "\" parameter " | name
-					 | " value " | value | " must be non-negative.";
-			} // if
 		  if ( fail( in ) ) break;
 		  	in | nl; // ignore remainder of line