Try modif condition

Check.pm

@@ -104,8 +104,6 @@ sub action
       # Using a mathematical formula to calculate the consistency of the average size, for new files, on all backups
       my $toobig = 0;
       my $toosmall = 0;
-      my $sizeConsistencyColor = "Tomato";
-      my $sizeConsistency = "<strong>ANOMALOUS</strong>";
 
       # There are enough backup ?
       if ( $idBackup < 4 ) {
@@ -127,6 +125,9 @@ sub action
         if ( not $toobig and not $toosmall ) {
           $sizeConsistencyColor = "MediumSeaGreen";
           $sizeConsistency = "Normal";
+        } else {
+          my $sizeConsistencyColor = "Tomato";
+          my $sizeConsistency = "<strong>ANOMALOUS</strong>";
         }
       }