Due date is not set when number of days is above 21

4

My quick look says a fix would look something like this:

diff --git a/lib/RT/SLA.pm b/lib/RT/SLA.pm
index 791e76dc0..0cc649808 100644
--- a/lib/RT/SLA.pm
+++ b/lib/RT/SLA.pm
@@ -191,8 +191,9 @@ sub CalculateTime {
                             my $bhours = $self->BusinessHours( $agreement->{ 'BusinessHours' } );
                             my $time = $bhours->between( $last_time, $txn->CreatedObj->Unix );
                             if ( $time > 0 ) {
-                                $res = $bhours->add_seconds( $res, $time );
-                            }
+                                for my $i (0..3) {
+                                    $res = $bhours->add_seconds( $res, $time / 4 );
+                                }
                         }
                         else {
                             my $time = $txn->CreatedObj->Unix - $last_time;
@@ -209,9 +210,9 @@ sub CalculateTime {

         if ( defined $agreement->{'BusinessMinutes'} ) {
             if ( $agreement->{'BusinessMinutes'} ) {
-                $res = $bhours->add_seconds(
-                    $res, 60 * $agreement->{'BusinessMinutes'},
-                );
+                    for my $i (0..3) {
+                        $res = $bhours->add_seconds( $res, (60 * $agreement->{'BusinessMinutes'}) / 4 );
+                    }
             }
             else {
                 $res = $bhours->first_after( $res );

Ref:

I am sure it can be made smarter than just dividing by 4 though