Type Error #1009

Hi there,

An employee is receiving an error every time she clicks Next in Storyline. See below:

Normal 0 false false false oNotPromoteQF /> EN-US X-NONE X-NONE ontGrowAutofit /> ontVertAlignCellWithSp /> MicrosoftInternetExplorer4

TypeError: Error #1009: Cannot access a property or method of a null object reference.

                at com.articulate.bw.v2_0::bwAudio/PauseMedia()

                at com.articulate.bw.v2_0::bwSlide/PauseMedia()

                at com.articulate.bw.v2_0::bwTimeline/PauseAnimation()

                at com.articulate.bw.v2_0::bwSlide/PauseSlideAnimations()

                at com.articulate.bw.v2_0::bwSlide/OnBeforeSlideOut()

                at com.articulate.bw.v2_0::bwActionHandler/GotoAndPlaySlide()

                at com.articulate.bw.v2_0::bwActionHandler/DoActionEvent()

                at com.articulate.bw.v2_0::bwSlide/DoActionEvent()

                at com.articulate.bw.v2_0::bwObjectSprite/ExecuteActions()

                at com.articulate.bw.v2_0::bwObjectSprite/ExecuteActionGroup()

Any ideas what this is and why it's happening on her computer and not others? Thanks so much!

Jessica