Since Upgrade to 4.24: Encrypted patch generation fails

Hello,
Recently we upgraded from 4.22 to 4.24. Since that upgrade, generating encrypted patches fails.
Before we tried generating the patch, we did a new clean full release using 4.24 and build the patch on top of that build.

However, we run into an assertion during the stage command, while it executes pak:

Project.RunUnrealPakInParallel:
Executing 1 UnrealPak command…
Project.RunUnrealPakInParallel:
Waiting for child processes to
complete (1/1)
Project.RunUnrealPakInParallel: Output
from:
S:\Git\ProjContDev\ProjCont.uproject
S:\Git\ProjContDev\Saved\StagedBuilds\WindowsNoEditor\ProjCont\Content\Paks\ProjCont-WindowsNoEditor_0_P.pak
-create=“C:\Users\AppData\Roaming\Unreal
Engine\AutomationTool\Logs\S+Unreal+UE_4.24\PakList_ProjCont-WindowsNoEditor_0_P.txt”
-cryptokeys=S:\Git\ProjContDev\Saved\Cooked\WindowsNoEditor\ProjCont\Metadata\Crypto.json
-order=S:\Git\ProjContDev\Build\WindowsNoEditor\FileOpenOrder\CookerOpenOrder.log
-generatepatch=S:\Git\ProjContDev\Releases\200\WindowsNoEditor\ProjCont-WindowsNoEditor*.pak
-tempfiles=S:\Unreal\UE_4.24\TempFilesProjCont-WindowsNoEditor_0_P
-encryptindex -sign -patchpaddingalign=2048 -compressionformats= -multiprocess -abslog=“C:\Users\AppData\Roaming\Unreal
Engine\AutomationTool\Logs\S+Unreal+UE_4.24\UnrealPak-ProjCont-WindowsNoEditor_0_P-2020.05.05-15.01.10.txt”
Project.RunUnrealPakInParallel:
LogPakFile: Display: Parsing crypto
keys from a crypto key cache file
Project.RunUnrealPakInParallel:
LogCompression: Display:
FCompression::GetCompressionFormat -
Unable to find a module or plugin for
compression format -multiprocess
Project.RunUnrealPakInParallel:
LogPakFile: Display: Loading response
file
C:\Users\AppData\Roaming\Unreal
Engine\AutomationTool\Logs\S+Unreal+UE_4.24\PakList_ProjCont-WindowsNoEditor_0_P.txt
Project.RunUnrealPakInParallel:
LogPakFile: Display: Added 10412
entries to add to pak file.
Project.RunUnrealPakInParallel:
LogPakFile: Display: Loading pak order
file
S:\Git\ProjContDev\Build\WindowsNoEditor\FileOpenOrder\CookerOpenOrder.log…
Project.RunUnrealPakInParallel:
LogPakFile: Display: Finished loading
pak order file
S:\Git\ProjContDev\Build\WindowsNoEditor\FileOpenOrder\CookerOpenOrder.log.
Project.RunUnrealPakInParallel:
LogPakFile: Display: Generating patch
from
S:\Git\ProjContDev\Releases\200\WindowsNoEditor\ProjCont-WindowsNoEditor*.pak.
Project.RunUnrealPakInParallel:
LogWindows: Error: === Critical error:
=== Project.RunUnrealPakInParallel: LogWindows: Error:
Project.RunUnrealPakInParallel:
LogWindows: Error: Assertion failed:
Key
[File:D:/Build/++UE4/Sync/Engine/Source/Developer/PakFileUtilities/Private/PakFileUtilities.cpp]
[Line: 1424]
Project.RunUnrealPakInParallel:
LogWindows: Error:
Project.RunUnrealPakInParallel:
LogWindows: Error:
Project.RunUnrealPakInParallel:
LogWindows: Error:
Project.RunUnrealPakInParallel:
LogWindows: Error:
Project.RunUnrealPakInParallel:
UnrealPak terminated with exit code 3
Log.WriteException:
============================================================================== Log.WriteException: ERROR: UnrealPak
failed Log.WriteException: (see
C:\Users\AppData\Roaming\Unreal
Engine\AutomationTool\Logs\S+Unreal+UE_4.24\Log.txt
for full exception trace)
Log.WriteException:
Log.WriteException:
AutomationException: UnrealPak failed
Log.WriteException: bei
Project.RunUnrealPakInParallel(List1 Commands, List1 LogNames, String
AdditionalCompressionOptionsOnCommandLine)
in
D:\Build++UE4\Sync\Engine\Saved\CsTools\Engine\Source\Programs\AutomationTool\Scripts\CopyBuildToStagingDirectory.Automation.cs:Zeile
2321. Log.WriteException: bei Project.CreatePaks(ProjectParams
Params, DeploymentContext SC, List1 PakParamsList, CryptoSettings CryptoSettings, FileReference CryptoKeysCacheFilename) in D:\Build\++UE4\Sync\Engine\Saved\CsTools\Engine\Source\Programs\AutomationTool\Scripts\CopyBuildToStagingDirectory.Automation.cs:Zeile 2126. Log.WriteException: bei Project.CreatePakUsingStagingManifest(ProjectParams Params, DeploymentContext SC) in D:\Build\++UE4\Sync\Engine\Saved\CsTools\Engine\Source\Programs\AutomationTool\Scripts\CopyBuildToStagingDirectory.Automation.cs:Zeile 1671. Log.WriteException: bei Project.ApplyStagingManifest(ProjectParams Params, DeploymentContext SC) in D:\Build\++UE4\Sync\Engine\Saved\CsTools\Engine\Source\Programs\AutomationTool\Scripts\CopyBuildToStagingDirectory.Automation.cs:Zeile 2916. Log.WriteException: bei Project.CopyBuildToStagingDirectory(ProjectParams Params) in D:\Build\++UE4\Sync\Engine\Saved\CsTools\Engine\Source\Programs\AutomationTool\Scripts\CopyBuildToStagingDirectory.Automation.cs:Zeile 3450. Log.WriteException: bei BuildCookRun.DoBuildCookRun(ProjectParams Params) in D:\Build\++UE4\Sync\Engine\Saved\CsTools\Engine\Source\Programs\AutomationTool\Scripts\BuildCookRun.Automation.cs:Zeile 209. Log.WriteException: bei BuildCookRun.ExecuteBuild() in D:\Build\++UE4\Sync\Engine\Saved\CsTools\Engine\Source\Programs\AutomationTool\Scripts\BuildCookRun.Automation.cs:Zeile 39. Log.WriteException: bei AutomationTool.BuildCommand.Execute() in D:\Build\++UE4\Sync\Engine\Saved\CsTools\Engine\Source\Programs\AutomationTool\AutomationUtils\BuildCommand.cs:Zeile 263. Log.WriteException: bei AutomationTool.Automation.Execute(List1
CommandsToExecute, Dictionary2 Commands) in D:\Build\++UE4\Sync\Engine\Saved\CsTools\Engine\Source\Programs\AutomationTool\AutomationUtils\Automation.cs:Zeile 538. Log.WriteException: bei AutomationTool.Automation.Process(String[] Arguments, StartupTraceListener StartupListener) in D:\Build\++UE4\Sync\Engine\Saved\CsTools\Engine\Source\Programs\AutomationTool\AutomationUtils\Automation.cs:Zeile 508. Log.WriteException: bei AutomationTool.Program.MainProc(String[] Arguments, StartupTraceListener StartupListener) in D:\Build\++UE4\Sync\Engine\Saved\CsTools\Engine\Source\Programs\AutomationTool\Program.cs:Zeile 176. Log.WriteException: bei AutomationTool.Program.<>c__DisplayClass1_0.b__2() in D:\Build\++UE4\Sync\Engine\Saved\CsTools\Engine\Source\Programs\AutomationTool\Program.cs:Zeile 88. Log.WriteException: bei AutomationTool.InternalUtils.RunSingleInstance(Func1
Main) in
D:\Build++UE4\Sync\Engine\Saved\CsTools\Engine\Source\Programs\AutomationTool\AutomationUtils\Utils.cs:Zeile
731. Log.WriteException: bei AutomationTool.Program.Main(String
Arguments) in
D:\Build++UE4\Sync\Engine\Saved\CsTools\Engine\Source\Programs\AutomationTool\Program.cs:Zeile
88. Log.WriteException: ============================================================================== Program.Main: AutomationTool exiting
with ExitCode=1 (Error_Unknown)