MSIX Packaging Tool- 0x80131500 when building

Recently tested converting TortoiseSVN msi package to MSIX using MSIX Package converter. Everything worked fine during monitoring phase and during build the tool struck up and showed an error code 0x80131500.


When checked for the msix log file it showed error stating duplicate ID's in the Appx manifest file.

[3/7/2019 6:38:14 AM] [Error] ERROR: PRI191: 0x80080204 - Appx manifest not found or is invalid. Please ensure well-formed manifest file is present. Or specify an index name with /in switch.

[3/7/2019 6:38:14 AM] [Error]

[3/7/2019 6:38:14 AM] [Error] error C00CE1A1: App manifest validation error: The app manifest must be valid as per schema: Line 20, Column 2554, Reason: 'f26e2640-0cff-43dc-8325-575a3261d885' is a duplicate key for the unique Identity Constraint '{}Class_Id'.

[3/7/2019 6:38:14 AM] [Error]

Since there was no output generated other than the log file, it was hard to find a solution. So when checked in MSIX Techcommunity it seems it is an issue with MSIX tool build v1.2019.110.0. This issue is resolved in latest insider build v1.2019.304.0.

Thanks to JamesPike & Tim Mangan for confirming this issue and its resolution.

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