diff --git a/src/API/Std.pm b/src/API/Std.pm
index 1d9ab2c..cb909d2 100644
--- a/src/API/Std.pm
+++ b/src/API/Std.pm
@@ -87,4 +87,24 @@ sub trans
 	}
 }
 
+# Error subroutine.
+sub err
+{
+	my ($lvl, $msg) = @_;
+	
+	# Check for an invalid level.
+	if ($lvl =~ m/[^0-9]/) {
+		return 0;
+	}
+	
+	# Level 1: Print to screen.
+	if ($lvl => 1) {
+		API::Log::println("ERROR: $msg");
+	}
+	# Level 2: Log to file.
+	if ($lvl => 2) {
+		API::Log::alog("ERROR: $msg");
+	}
+}
+
 1;