Xailer & OZ Software

Maybe someone can help me. I trying to compile a sample and I'm getting this error:
A compilar: SamplesDll.prg...
A compilar: SamplesDll.rc...
A compilar: Banner.prg...
A compilar: EditBanner.prg...
A compilar: Planning.prg...
A compilar: SearchCombo.prg...
A compilar: TBanner.prg...
A compilar: TEditBanner.prg...
A compilar: TPlanning.prg...
A compilar: TSearchCombo.prg...
A compilar: ToolbarRE.prg...
A compilar: ToolbarREdll.prg...
A compilar: FilterCombo.prg...
A compilar: TFilterCombo.prg...
A compilar: LabelShadow.prg...
A compilar: TLabelShadow.prg...
A linkar: Samples.dll...
Error: Unresolved external '_HB_FUN_REGISTERCOMPONENT' referenced from G:XAILERXAILER2SAMPLESCONTROLSOBJDLLSAMPLESDLL.OBJ
Error: Unresolved external '_HB_FUN_PREVWINDOWPROC' referenced from G:XAILERXAILER2SAMPLESCONTROLSOBJDLLEDITBANNER.OBJ
16 Files, 0 Warnings, 2 Errors
Compilar tempo: 7.35s Linkar tempo: 0.11s Tempo total: 7.45s

On SamplesDll.prg check that this line of code exists:
DYNAMIC RegisterComponent
On EditBanner.prg:
DYNAMIC PrevWindowProc
Regards,