PackagingResults: Error: An explicit Category specifier is required for Blueprint accessible functions in an Engine module

[Milo_911]

Thats weird and a little worrying!
The full log is just this:

PackagingResults: Error: An explicit Category specifier is required for Blueprint accessible functions in an Engine module.
PackagingResults: Error: An explicit Category specifier is required for Blueprint accessible functions in an Engine module.
PackagingResults: Error: An explicit Category specifier is required for Blueprint accessible functions in an Engine module.
PackagingResults: Error: An explicit Category specifier is required for Blueprint accessible functions in an Engine module.
PackagingResults: Error: Unknown Error