diff --git a/src/FactorGraphs/Factor.php b/src/FactorGraphs/Factor.php
index ad15957..602e461 100644
--- a/src/FactorGraphs/Factor.php
+++ b/src/FactorGraphs/Factor.php
@@ -77,7 +77,7 @@ abstract class Factor
 
     protected function updateMessageVariable(Message $message, Variable $variable): float
     {
-        throw new Exception();
+        throw new Exception("Must override updateMessageVariable(" . $message::class . ", " . $variable::class . ")");
     }
 
     /**
diff --git a/src/FactorGraphs/FactorGraphLayer.php b/src/FactorGraphs/FactorGraphLayer.php
index 184b6bd..cbde722 100644
--- a/src/FactorGraphs/FactorGraphLayer.php
+++ b/src/FactorGraphs/FactorGraphLayer.php
@@ -70,7 +70,7 @@ abstract class FactorGraphLayer
     /**
      * @param Schedule[] $itemsToSequence
      */
-    protected function scheduleSequence(array $itemsToSequence, string $name): ScheduleSequence
+    protected function scheduleSequence(array $itemsToSequence): ScheduleSequence
     {
         return new ScheduleSequence($itemsToSequence);
     }
diff --git a/src/TrueSkill/Layers/IteratedTeamDifferencesInnerLayer.php b/src/TrueSkill/Layers/IteratedTeamDifferencesInnerLayer.php
index d1a55d4..1a7092f 100644
--- a/src/TrueSkill/Layers/IteratedTeamDifferencesInnerLayer.php
+++ b/src/TrueSkill/Layers/IteratedTeamDifferencesInnerLayer.php
@@ -101,9 +101,9 @@ class IteratedTeamDifferencesInnerLayer extends TrueSkillFactorGraphLayer
             ),
         ];
 
+        //loop of just two teams inner sequence
         return $this->scheduleSequence(
-            $itemsToSequence,
-            'loop of just two teams inner sequence'
+            $itemsToSequence
         );
     }
 
@@ -120,10 +120,11 @@ class IteratedTeamDifferencesInnerLayer extends TrueSkillFactorGraphLayer
             $currentTeamPerfToTeamPerfDiff = $teamPerformancesToTeamPerformanceDifferencesLayerLocalFactors[$i];
             $currentTeamDiffComparison = $teamDifferencesComparisonLayerLocalFactors[$i];
 
+            //current forward schedule piece $i
             $currentForwardSchedulePiece =
                 $this->scheduleSequence(
                     [
-                        //team perf to perf diff 
+                        //team perf to perf diff
                         new ScheduleStep(
                             $currentTeamPerfToTeamPerfDiff,
                             0
@@ -138,8 +139,7 @@ class IteratedTeamDifferencesInnerLayer extends TrueSkillFactorGraphLayer
                             $currentTeamPerfToTeamPerfDiff,
                             2
                         ),
-                    ],
-                    sprintf('current forward schedule piece %d', $i)
+                    ]
                 );
 
             $forwardScheduleList[] = $currentForwardSchedulePiece;
diff --git a/src/TrueSkill/Layers/PlayerPerformancesToTeamPerformancesLayer.php b/src/TrueSkill/Layers/PlayerPerformancesToTeamPerformancesLayer.php
index ea69c57..d1891e5 100644
--- a/src/TrueSkill/Layers/PlayerPerformancesToTeamPerformancesLayer.php
+++ b/src/TrueSkill/Layers/PlayerPerformancesToTeamPerformancesLayer.php
@@ -36,13 +36,13 @@ class PlayerPerformancesToTeamPerformancesLayer extends TrueSkillFactorGraphLaye
     {
         $localFactors = $this->getLocalFactors();
 
+        //all player perf to team perf schedule
         return $this->scheduleSequence(
             array_map(
                 //Perf to Team Perf Step
                 static fn($weightedSumFactor): ScheduleStep => new ScheduleStep($weightedSumFactor, 0),
                 $localFactors
-            ),
-            'all player perf to team perf schedule'
+            )
         );
     }
 
@@ -82,7 +82,8 @@ class PlayerPerformancesToTeamPerformancesLayer extends TrueSkillFactorGraphLaye
             }
         }
 
-        return $this->scheduleSequence($allFactors, "all of the team's sum iterations");
+        //all of the team's sum iterations
+        return $this->scheduleSequence($allFactors);
     }
 
     /**
diff --git a/src/TrueSkill/Layers/PlayerPriorValuesToSkillsLayer.php b/src/TrueSkill/Layers/PlayerPriorValuesToSkillsLayer.php
index 72c9078..c1a3335 100644
--- a/src/TrueSkill/Layers/PlayerPriorValuesToSkillsLayer.php
+++ b/src/TrueSkill/Layers/PlayerPriorValuesToSkillsLayer.php
@@ -53,13 +53,13 @@ class PlayerPriorValuesToSkillsLayer extends TrueSkillFactorGraphLayer
     {
         $localFactors = $this->getLocalFactors();
 
+        //All priors
         return $this->scheduleSequence(
             array_map(
                 //Prior to Skill Step
                 static fn($prior): ScheduleStep => new ScheduleStep($prior, 0),
                 $localFactors
-            ),
-            'All priors'
+            )
         );
     }
 
diff --git a/src/TrueSkill/Layers/PlayerSkillsToPerformancesLayer.php b/src/TrueSkill/Layers/PlayerSkillsToPerformancesLayer.php
index b2c0592..7782200 100644
--- a/src/TrueSkill/Layers/PlayerSkillsToPerformancesLayer.php
+++ b/src/TrueSkill/Layers/PlayerSkillsToPerformancesLayer.php
@@ -55,13 +55,13 @@ class PlayerSkillsToPerformancesLayer extends TrueSkillFactorGraphLayer
     {
         $localFactors = $this->getLocalFactors();
 
+        //All skill to performance sending
         return $this->scheduleSequence(
             array_map(
                 //Skill to Perf step
                 static fn($likelihood): ScheduleStep => new ScheduleStep($likelihood, 0),
                 $localFactors
-            ),
-            'All skill to performance sending'
+            )
         );
     }
 
@@ -69,12 +69,12 @@ class PlayerSkillsToPerformancesLayer extends TrueSkillFactorGraphLayer
     {
         $localFactors = $this->getLocalFactors();
 
+        //All skill to performance sending
         return $this->scheduleSequence(
             array_map(
                 static fn($likelihood): ScheduleStep => new ScheduleStep($likelihood, 1),
                 $localFactors
-            ),
-            'All skill to performance sending'
+            )
         );
     }
 }