You are getting multiple warnings in the NS logs referring to some packages source location:
Warning 1:
Could not access the path for package: 'MyPackage - Office 2012 x86' (1076deb7-440b-491e-99ea-efbf2e028759), path=\\sharename\Software\1076deb7-440b-491e-99ea-efbf2e028759
[UnauthorizedAccessException]
Attempted to access a path that is not on the disk.
[DirectoryNotFoundException @ Altiris.NS.StandardItems.dll]
at Altiris.NS.StandardItems.SoftwareDelivery.SWDSupport+<>c__DisplayClass24_0.<ValidatePackageForMdp>b__0()
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Date: 9/18/2024 12:50:06 PM, Tick Count: 77869468 (21:37:49.4680000), Size: 5.39 KB
Process: AeXSvc (6232), Thread ID: 258, Module: Altiris.NS.StandardItems.dll
Priority: 2, Source: SWDSupport+<>c__DisplayClass24_0.<ValidatePackageForMdp>b__0
Warning 2:
Unable to manage the distribution points under user [Example\svcAltiris] for package: 'MyPackage - Office 2012 x86' (1076deb7-440b-491e-99ea-efbf2e028759)
Could not access the path for package: 'MyPackage - Office 2012 x86' (1076deb7-440b-491e-99ea-efbf2e028759), path=\\sharename\Software\1076deb7-440b-491e-99ea-efbf2e028759
[UnauthorizedAccessException @ Altiris.NS.StandardItems.dll]
at Altiris.NS.StandardItems.SoftwareDelivery.SWDSupport+<>c__DisplayClass24_0.<ValidatePackageForMdp>b__0()
at Altiris.NS.StandardItems.SoftwareDelivery.AccPackageAreaExtensions.Execute(IAccPackageArea, Action)
at Altiris.NS.StandardItems.SoftwareDelivery.SWDSupport.ValidatePackageForMdp(IAccPackageArea, PackageItem)
at Altiris.NS.StandardItems.SoftwareDelivery.SWDSupport+DistributionPointsPackageArea.Enter(PackageItem, bool)
at Altiris.NS.StandardItems.SoftwareDelivery.SWDSupport.ManageDistributionPoints(PackageItem, bool, ICollection<Guid>)
Attempted to access a path that is not on the disk.
[DirectoryNotFoundException @ Altiris.NS.StandardItems.dll]
at Altiris.NS.StandardItems.SoftwareDelivery.SWDSupport+<>c__DisplayClass24_0.<ValidatePackageForMdp>b__0()
-----------------------------------------------------------------------------------------------------
Date: 9/18/2024 12:50:06 PM, Tick Count: 77869468 (21:37:49.4680000), Size: 5.69 KB
Process: AeXSvc (6232), Thread ID: 258, Module: Altiris.NS.StandardItems.dll
Priority: 2, Source: SWDSupport+<>c__DisplayClass24_0.<ValidatePackageForMdp>b__0
ITMS 8.x
Package files are no longer in the Source location. Common reasons: