A policy was created to deliver APSB18-08's update: install_flash_player_2900140_ax.exe, error's are generated every time a client attempts to get the information regarding the policy.
Source: Altiris.NS.AgentManagement.PolicyRequest.BuildPolicyXml
Description: Unable to generate policy XML for item: 'install_flash_player_2900140_ax.exe for 2018.04.April[3][Production][Critical][APSB18-08]' (33e499c5-54d8-40e2-ac0d-69921553e9d3), resource: 55f48fa3-c0a0-43b6-9e6d-aabe887d2a72
Module: Altiris.PatchManagementCore.dll
Source: Altiris.PatchManagementCore.Policies.SoftwareUpdateAdvertisement.GenerateClientConfig
Description: SoftwareUpdateAdvertisement::BuildClientConfig2() error generating sofwtare update config for GUID: 33e499c5-54d8-40e2-ac0d-69921553e9d3 Name: install_flash_player_2900140_ax.exe for 2018.04.April[3][Production][Critical][APSB18-08]
Module: Altiris.PatchManagementCore.dll
Source: Altiris.PatchManagementCore.Policies.PatchManagementVendorPolicy.GetPlatformPolicy
Description: Failed to detect platform for software update: 5d13deec-ef5a-4c22-a662-bddf8e5f00db
Patch Management Solution 7.6, 8.x.
Adobe pulled the update from their catalog of patches. In turn, the metadata about the bulletin and update has been removed from Patch Management Solution.
Disable and remove the patch policy for APSB18-08 and enable the newest Adobe flash player update.