hi. whenever I try to export my video I get different errors depending on what I'm trying to export as. I'm using vegas pro 15.

when I try to export as media composer (.aaf) I get this error:

Archiving to C:\Users\Madiator\Documents\My Project.aaf Copied D:\Destiny\Destiny 2\snipe shutdown.mp4 to C:\Users\Madiator\Documents\snipe shutdown.mp4 Deinterlace method ignored. Motion blur type ignored. Unexpected problem: System.InvalidOperationException: Sequence contains no matching element at System.Linq.Enumerable.Single[TSource](IEnumerable1 source, Func2 predicate) at VegasScripts.MediaComposerExporter..ctor(String outputFile, Vegas vegas, Project project, LogCallback log, Action createUndoBlock, Action disposeUndoBlock) at VegasScripts.ProjectInterchangeExporter.<GetCustomCommands>bb(String outFile, Vegas vegas, Project project, LogCallback log, Action createUndoBlock, Action disposeUndoBlock) at VegasScripts.ProjectInterchangeExporter.<>cDisplayClass1d.<ExecuteSteps>b__1c(String outputFile, Project project) at VegasScripts.ProjectInterchangeExporter.ExportProjectStep.ExportProjectStep_DoWork() at ScriptPortal.MediaSoftware.Archive.SinglethreadStep.Run() at ScriptPortal.MediaSoftware.Archive.Steps.NextStep() Archiving complete.

error when i export as aftereffects/premiere (.prproj)

Archiving 
    to C:\Users\Madiator\Documents\My Project.prproj
Copied D:\Destiny\Destiny 2\snipe shutdown.mp4
    to C:\Users\Madiator\Documents\snipe shutdown - 2.mp4
Deinterlace method ignored.
Motion blur type ignored.
Composite mode for track 1 ignored.
Loop switch for event at 00:00:00.00 in track 1 ignored.
Saved project 
    to C:\Users\Madiator\Documents\My Project.prproj
Removed unused media from the project:
    removed D:\Destiny\Destiny 2\Destiny 2 05.30.2018 - 16.52.20.34.DVR.mp4
Archiving complete.