Stripes at beginning and purple vertical line at end of project

This is what appeared in my project. I dont know why. It doesnt appear when i did a quick export. Does anyone know what it means though? Thanks!

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解決に役立った回答 Ann Bens

These are end indicators.

Program Monitor > wrench > Overlay settings > Settings.

解決！

Community Expert

These are end indicators.

Program Monitor > wrench > Overlay settings > Settings.

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