CDISP0872E

The window clause specifies a timeInterval window, but the \@eventTime annotation specifies an eventTimeAttribute value that is not in the input schema.

When a timeInterval window is used, one of the operators upstream from it must have an @eventTime annnotation. This annotation defines the eventTimeAttribute for the timeInterval window. The eventTimeAttribute does not match any of the input tuples to the window.
Change the eventTimeAttribute value to match an input attribute of the timeInterval window.