Error 0x80073D15

Value: -2147009259 | 0x80073D15 | 2147958037

What does it mean ?

ERROR_INSTALL_OPTIONAL_PACKAGE_APPLICATIONID_NOT_UNIQUE  
A main or another optional app package has the same application ID as this optional package. Change the application ID for the optional package to avoid conflicts.
Value: 15637 | 0x3D15 | 0b0011110100010101

Where does it come from ?

FACILITY_WIN32  
Provides a way to handle error codes from functions in the Win32 API as an HRESULT. (Error codes in 16 - bit OLE that duplicated Win32 error codes have also been changed to FACILITY_WIN32)
Value: 7 | 0x007 | 0b00000111

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