diff --git a/.github/workflows/CodeQL Security Scan.yml b/.github/workflows/CodeQL Security Scan.yml
index 0762ff435..b19d39a23 100644
--- a/.github/workflows/CodeQL Security Scan.yml	
+++ b/.github/workflows/CodeQL Security Scan.yml	
@@ -79,7 +79,7 @@ jobs:
         working-directory: ./Ed-Fi-ODS/.github/workflows
         run: sudo ./install-mono.sh
       - name: Cache Nuget packages
-        uses: actions/cache@ab5e6d0c87105b4c9c2047343972218f562e4319 #v4.0.1
+        uses: actions/cache@1bd1e32a3bdc45362d1e726936510720a7c30a57 #v4.2
         with:
           path: ~/.nuget/packages
           key: ${{ runner.os }}-nuget-${{ hashFiles('**/*.csproj*', '**/configuration.packages.json') }}
diff --git a/.github/workflows/Lib edFi.admin.dataaccess.yml b/.github/workflows/Lib edFi.admin.dataaccess.yml
index be280ac1d..51ecec682 100644
--- a/.github/workflows/Lib edFi.admin.dataaccess.yml	
+++ b/.github/workflows/Lib edFi.admin.dataaccess.yml	
@@ -45,7 +45,7 @@ jobs:
       working-directory: ./.github/workflows
       run: sudo ./install-mono.sh
     - name: Cache Nuget packages       
-      uses: actions/cache@ab5e6d0c87105b4c9c2047343972218f562e4319 #v4.0.1
+      uses: actions/cache@1bd1e32a3bdc45362d1e726936510720a7c30a57 #v4.2
       with:
         path: ~/.nuget/packages
         key: ${{ runner.os }}-nuget-${{ hashFiles('**/*.csproj*', '**/configuration.packages.json') }}
diff --git a/.github/workflows/Lib edFi.common.yml b/.github/workflows/Lib edFi.common.yml
index a9ec8717f..d7804ba24 100644
--- a/.github/workflows/Lib edFi.common.yml	
+++ b/.github/workflows/Lib edFi.common.yml	
@@ -45,7 +45,7 @@ jobs:
       working-directory: ./.github/workflows
       run: sudo ./install-mono.sh
     - name: Cache Nuget packages
-      uses: actions/cache@ab5e6d0c87105b4c9c2047343972218f562e4319 #v4.0.1
+      uses: actions/cache@1bd1e32a3bdc45362d1e726936510720a7c30a57 #v4.2
       with:
         path: ~/.nuget/packages
         key: ${{ runner.os }}-nuget-${{ hashFiles('**/*.csproj*', '**/configuration.packages.json') }}
diff --git a/.github/workflows/Lib edFi.loadtools.yml b/.github/workflows/Lib edFi.loadtools.yml
index 42242fb0e..f6ecb095a 100644
--- a/.github/workflows/Lib edFi.loadtools.yml	
+++ b/.github/workflows/Lib edFi.loadtools.yml	
@@ -45,7 +45,7 @@ jobs:
       working-directory: ./.github/workflows
       run: sudo ./install-mono.sh
     - name: Cache Nuget packages       
-      uses: actions/cache@ab5e6d0c87105b4c9c2047343972218f562e4319 #v4.0.1
+      uses: actions/cache@1bd1e32a3bdc45362d1e726936510720a7c30a57 #v4.2
       with:
         path: ~/.nuget/packages
         key: ${{ runner.os }}-nuget-${{ hashFiles('**/*.csproj*', '**/configuration.packages.json') }}
diff --git a/.github/workflows/Lib edFi.ods.api.yml b/.github/workflows/Lib edFi.ods.api.yml
index 8e248f56b..bf4d1c0d1 100644
--- a/.github/workflows/Lib edFi.ods.api.yml	
+++ b/.github/workflows/Lib edFi.ods.api.yml	
@@ -45,7 +45,7 @@ jobs:
       working-directory: ./.github/workflows
       run: sudo ./install-mono.sh
     - name: Cache Nuget packages       
-      uses: actions/cache@ab5e6d0c87105b4c9c2047343972218f562e4319 #v4.0.1
+      uses: actions/cache@1bd1e32a3bdc45362d1e726936510720a7c30a57 #v4.2
       with:
         path: ~/.nuget/packages
         key: ${{ runner.os }}-nuget-${{ hashFiles('**/*.csproj*', '**/configuration.packages.json') }}
diff --git a/.github/workflows/Lib edFi.ods.common.yml b/.github/workflows/Lib edFi.ods.common.yml
index b006ab6c2..600fa62e2 100644
--- a/.github/workflows/Lib edFi.ods.common.yml	
+++ b/.github/workflows/Lib edFi.ods.common.yml	
@@ -45,7 +45,7 @@ jobs:
       working-directory: ./.github/workflows
       run: sudo ./install-mono.sh
     - name: Cache Nuget packages       
-      uses: actions/cache@ab5e6d0c87105b4c9c2047343972218f562e4319 #v4.0.1
+      uses: actions/cache@1bd1e32a3bdc45362d1e726936510720a7c30a57 #v4.2
       with:
         path: ~/.nuget/packages
         key: ${{ runner.os }}-nuget-${{ hashFiles('**/*.csproj*', '**/configuration.packages.json') }}
diff --git a/.github/workflows/Lib edFi.ods.standard.yml b/.github/workflows/Lib edFi.ods.standard.yml
index f84ba6726..6750e3a53 100644
--- a/.github/workflows/Lib edFi.ods.standard.yml	
+++ b/.github/workflows/Lib edFi.ods.standard.yml	
@@ -67,7 +67,7 @@ jobs:
       working-directory: ./Ed-Fi-ODS/.github/workflows
       run: sudo ./install-mono.sh
     - name: Cache Nuget packages       
-      uses: actions/cache@ab5e6d0c87105b4c9c2047343972218f562e4319 #v4.0.1
+      uses: actions/cache@1bd1e32a3bdc45362d1e726936510720a7c30a57 #v4.2
       with:
         path: ~/.nuget/packages
         key: ${{ runner.os }}-nuget-${{ hashFiles('**/*.csproj*', '**/configuration.packages.json') }}
diff --git a/.github/workflows/Lib edFi.security.dataaccess.yml b/.github/workflows/Lib edFi.security.dataaccess.yml
index 54c4c8c6c..4c916cbc0 100644
--- a/.github/workflows/Lib edFi.security.dataaccess.yml	
+++ b/.github/workflows/Lib edFi.security.dataaccess.yml	
@@ -45,7 +45,7 @@ jobs:
       working-directory: ./.github/workflows
       run: sudo ./install-mono.sh
     - name: Cache Nuget packages       
-      uses: actions/cache@ab5e6d0c87105b4c9c2047343972218f562e4319 #v4.0.1
+      uses: actions/cache@1bd1e32a3bdc45362d1e726936510720a7c30a57 #v4.2
       with:
         path: ~/.nuget/packages
         key: ${{ runner.os }}-nuget-${{ hashFiles('**/*.csproj*', '**/configuration.packages.json') }}
diff --git a/.github/workflows/Pkg EdFi.Ods.CodeGen.yml b/.github/workflows/Pkg EdFi.Ods.CodeGen.yml
index e9bff9ec0..fbd5721a3 100644
--- a/.github/workflows/Pkg EdFi.Ods.CodeGen.yml	
+++ b/.github/workflows/Pkg EdFi.Ods.CodeGen.yml	
@@ -73,7 +73,7 @@ jobs:
       working-directory: ./Ed-Fi-ODS/.github/workflows
       run: sudo ./install-mono.sh
     - name: Cache Nuget packages   
-      uses: actions/cache@ab5e6d0c87105b4c9c2047343972218f562e4319 #v4.0.1
+      uses: actions/cache@1bd1e32a3bdc45362d1e726936510720a7c30a57 #v4.2
       with:
         path: ~/.nuget/packages
         key: ${{ runner.os }}-nuget-${{ hashFiles('**/*.csproj*', '**/configuration.packages.json') }}
diff --git a/.github/workflows/Pkg EdFi.Ods.Minimal.Template.PostgreSQL.yml b/.github/workflows/Pkg EdFi.Ods.Minimal.Template.PostgreSQL.yml
index 7937fab7e..5dadabe9d 100644
--- a/.github/workflows/Pkg EdFi.Ods.Minimal.Template.PostgreSQL.yml	
+++ b/.github/workflows/Pkg EdFi.Ods.Minimal.Template.PostgreSQL.yml	
@@ -110,7 +110,7 @@ jobs:
       working-directory: ./Ed-Fi-ODS/.github/workflows
       run: sudo ./install-mono.sh
     - name: Cache Nuget packages       
-      uses: actions/cache@ab5e6d0c87105b4c9c2047343972218f562e4319 #v4.0.1
+      uses: actions/cache@1bd1e32a3bdc45362d1e726936510720a7c30a57 #v4.2
       with:
         path: ~/.nuget/packages
         key: ${{ runner.os }}-nuget-${{ hashFiles('**/*.csproj*', '**/configuration.packages.json') }}
diff --git a/.github/workflows/Pkg EdFi.Ods.Minimal.Template.TPDM.PostgreSQL.yml b/.github/workflows/Pkg EdFi.Ods.Minimal.Template.TPDM.PostgreSQL.yml
index ffc20af91..d4dc46433 100644
--- a/.github/workflows/Pkg EdFi.Ods.Minimal.Template.TPDM.PostgreSQL.yml	
+++ b/.github/workflows/Pkg EdFi.Ods.Minimal.Template.TPDM.PostgreSQL.yml	
@@ -130,7 +130,7 @@ jobs:
       working-directory: ./Ed-Fi-ODS/.github/workflows
       run: sudo ./install-mono.sh
     - name: Cache Nuget packages
-      uses: actions/cache@ab5e6d0c87105b4c9c2047343972218f562e4319 #v4.0.1
+      uses: actions/cache@1bd1e32a3bdc45362d1e726936510720a7c30a57 #v4.2
       with:
         path: ~/.nuget/packages
         key: ${{ runner.os }}-nuget-${{ hashFiles('**/*.csproj*', '**/configuration.packages.json') }}
diff --git a/.github/workflows/Pkg EdFi.Ods.Minimal.Template.TPDM.yml b/.github/workflows/Pkg EdFi.Ods.Minimal.Template.TPDM.yml
index 3fcd3e62b..80a75b847 100644
--- a/.github/workflows/Pkg EdFi.Ods.Minimal.Template.TPDM.yml	
+++ b/.github/workflows/Pkg EdFi.Ods.Minimal.Template.TPDM.yml	
@@ -129,7 +129,7 @@ jobs:
       working-directory: ./Ed-Fi-ODS/.github/workflows
       run: sudo ./install-mono.sh
     - name: Cache Nuget packages
-      uses: actions/cache@ab5e6d0c87105b4c9c2047343972218f562e4319 #v4.0.1
+      uses: actions/cache@1bd1e32a3bdc45362d1e726936510720a7c30a57 #v4.2
       with:
         path: ~/.nuget/packages
         key: ${{ runner.os }}-nuget-${{ hashFiles('**/*.csproj*', '**/configuration.packages.json') }}
diff --git a/.github/workflows/Pkg EdFi.Ods.Minimal.Template.yml b/.github/workflows/Pkg EdFi.Ods.Minimal.Template.yml
index 392b39e9f..4eebee305 100644
--- a/.github/workflows/Pkg EdFi.Ods.Minimal.Template.yml	
+++ b/.github/workflows/Pkg EdFi.Ods.Minimal.Template.yml	
@@ -115,7 +115,7 @@ jobs:
       working-directory: ./Ed-Fi-ODS/.github/workflows
       run: sudo ./install-mono.sh
     - name: Cache Nuget packages
-      uses: actions/cache@ab5e6d0c87105b4c9c2047343972218f562e4319 #v4.0.1
+      uses: actions/cache@1bd1e32a3bdc45362d1e726936510720a7c30a57 #v4.2
       with:
         path: ~/.nuget/packages
         key: ${{ runner.os }}-nuget-${{ hashFiles('**/*.csproj*', '**/configuration.packages.json') }}
diff --git a/.github/workflows/Pkg EdFi.Ods.Populated.Template.PostgreSQL.yml b/.github/workflows/Pkg EdFi.Ods.Populated.Template.PostgreSQL.yml
index 75392908d..46efe0bdd 100644
--- a/.github/workflows/Pkg EdFi.Ods.Populated.Template.PostgreSQL.yml	
+++ b/.github/workflows/Pkg EdFi.Ods.Populated.Template.PostgreSQL.yml	
@@ -109,7 +109,7 @@ jobs:
       working-directory: ./Ed-Fi-ODS/.github/workflows
       run: sudo ./install-mono.sh
     - name: Cache Nuget packages       
-      uses: actions/cache@ab5e6d0c87105b4c9c2047343972218f562e4319 #v4.0.1
+      uses: actions/cache@1bd1e32a3bdc45362d1e726936510720a7c30a57 #v4.2
       with:
         path: ~/.nuget/packages
         key: ${{ runner.os }}-nuget-${{ hashFiles('**/*.csproj*', '**/configuration.packages.json') }}
diff --git a/.github/workflows/Pkg EdFi.Ods.Populated.Template.TPDM.PostgreSQL.yml b/.github/workflows/Pkg EdFi.Ods.Populated.Template.TPDM.PostgreSQL.yml
index a4d88f598..e18fcbace 100644
--- a/.github/workflows/Pkg EdFi.Ods.Populated.Template.TPDM.PostgreSQL.yml	
+++ b/.github/workflows/Pkg EdFi.Ods.Populated.Template.TPDM.PostgreSQL.yml	
@@ -130,7 +130,7 @@ jobs:
       working-directory: ./Ed-Fi-ODS/.github/workflows
       run: sudo ./install-mono.sh
     - name: Cache Nuget packages
-      uses: actions/cache@ab5e6d0c87105b4c9c2047343972218f562e4319 #v4.0.1
+      uses: actions/cache@1bd1e32a3bdc45362d1e726936510720a7c30a57 #v4.2
       with:
         path: ~/.nuget/packages
         key: ${{ runner.os }}-nuget-${{ hashFiles('**/*.csproj*', '**/configuration.packages.json') }}
diff --git a/.github/workflows/Pkg EdFi.Ods.Populated.Template.TPDM.yml b/.github/workflows/Pkg EdFi.Ods.Populated.Template.TPDM.yml
index 26f6425f0..15f172005 100644
--- a/.github/workflows/Pkg EdFi.Ods.Populated.Template.TPDM.yml	
+++ b/.github/workflows/Pkg EdFi.Ods.Populated.Template.TPDM.yml	
@@ -129,7 +129,7 @@ jobs:
       working-directory: ./Ed-Fi-ODS/.github/workflows
       run: sudo ./install-mono.sh
     - name: Cache Nuget packages
-      uses: actions/cache@ab5e6d0c87105b4c9c2047343972218f562e4319 #v4.0.1
+      uses: actions/cache@1bd1e32a3bdc45362d1e726936510720a7c30a57 #v4.2
       with:
         path: ~/.nuget/packages
         key: ${{ runner.os }}-nuget-${{ hashFiles('**/*.csproj*', '**/configuration.packages.json') }}
diff --git a/.github/workflows/Pkg EdFi.Ods.Populated.Template.yml b/.github/workflows/Pkg EdFi.Ods.Populated.Template.yml
index 25ed16df1..fe0999536 100644
--- a/.github/workflows/Pkg EdFi.Ods.Populated.Template.yml	
+++ b/.github/workflows/Pkg EdFi.Ods.Populated.Template.yml	
@@ -107,7 +107,7 @@ jobs:
       working-directory: ./Ed-Fi-ODS/.github/workflows
       run: sudo ./install-mono.sh
     - name: Cache Nuget packages
-      uses: actions/cache@ab5e6d0c87105b4c9c2047343972218f562e4319 #v4.0.1
+      uses: actions/cache@1bd1e32a3bdc45362d1e726936510720a7c30a57 #v4.2
       with:
         path: ~/.nuget/packages
         key: ${{ runner.os }}-nuget-${{ hashFiles('**/*.csproj*', '**/configuration.packages.json') }}
diff --git a/.github/workflows/Pkg EdFi.ProjectTemplates.Installer.yml b/.github/workflows/Pkg EdFi.ProjectTemplates.Installer.yml
index 26dc524c0..9b7c00b42 100644
--- a/.github/workflows/Pkg EdFi.ProjectTemplates.Installer.yml	
+++ b/.github/workflows/Pkg EdFi.ProjectTemplates.Installer.yml	
@@ -55,7 +55,7 @@ jobs:
     - name: Setup MSBuild for .NET Framework 4.8
       uses: microsoft/setup-msbuild@6fb02220983dee41ce7ae257b6f4d8f9bf5ed4ce #v2.0.0
     - name: Cache Nuget packages
-      uses: actions/cache@ab5e6d0c87105b4c9c2047343972218f562e4319 #v4.0.1
+      uses: actions/cache@1bd1e32a3bdc45362d1e726936510720a7c30a57 #v4.2
       with:
         path: ~/.nuget/packages
         key: ${{ runner.os }}-nuget-${{ hashFiles('**/*.csproj*', '**/configuration.packages.json') }}
diff --git a/Application/EdFi.Ods.Common/Repositories/EntityDeserializer.cs b/Application/EdFi.Ods.Common/Repositories/EntityDeserializer.cs
index 96f1368de..ac8378ef9 100644
--- a/Application/EdFi.Ods.Common/Repositories/EntityDeserializer.cs
+++ b/Application/EdFi.Ods.Common/Repositories/EntityDeserializer.cs
@@ -3,6 +3,8 @@
 // The Ed-Fi Alliance licenses this file to you under the Apache License, Version 2.0.
 // See the LICENSE and NOTICES files in the project root for more information.
 
+using System;
+using System.Threading;
 using System.Threading.Tasks;
 using EdFi.Ods.Common.Context;
 using EdFi.Ods.Common.Infrastructure;
@@ -24,6 +26,10 @@ public class EntityDeserializer : IEntityDeserializer
 
     private readonly ILog _logger = LogManager.GetLogger(typeof(EntityDeserializer));
 
+    private long _deserializationFailedCount;
+    private DateTime _lastDeserializationWarningTime;
+    private readonly TimeSpan _deserializationWarningPeriod = TimeSpan.FromMinutes(5);
+
     public EntityDeserializer(
         ISurrogateIdMutator[] surrogateIdMutators,
         ISessionFactory sessionFactory,
@@ -48,6 +54,30 @@ public async Task<TEntity> DeserializeAsync<TEntity>(IItemRawData itemRawData)
             // Deserialize the entity
             entity = MessagePackHelper.DecompressAndDeserializeAggregate<TEntity>(itemRawData.AggregateData);
         }
+        catch (Exception ex)
+        {
+            Interlocked.Increment(ref _deserializationFailedCount);
+
+            // Determine if "quiet" period for logging warnings has elapsed
+            if (DateTime.Now > (_lastDeserializationWarningTime + _deserializationWarningPeriod))
+            {
+                // Reset the tracking variables
+                _lastDeserializationWarningTime = DateTime.Now;
+                var failedCount = Interlocked.Exchange(ref _deserializationFailedCount, 0);
+
+                string messageCountAddendum = null;
+
+                if (failedCount > 1)
+                {
+                    messageCountAddendum = $" and {failedCount - 1:N0} other item(s) since last warning";
+                }
+
+                // Prevent exceptions during deserialization from failing the processing -- revert to returning a null instance
+                _logger.Warn($"Unable to deserialize entity of type '{typeof(TEntity).Name}' (with AggregateId of {itemRawData.AggregateId}){messageCountAddendum}. Falling back to load through NHibernate repository. HINT: Serialized data is in an inconsistent state. Clear the values in the 'AggregateData' column for the affected records. Next warning won't occur until '{_lastDeserializationWarningTime.Add(_deserializationWarningPeriod)}'...", ex);
+            }
+
+            return default;
+        }
         finally
         {
             // Indicate that deserialization is finished