More than 2 lignes of videos upstairs the principal ligne of video. We need minimum 2 more lignes !

Premiere Rush supports a maximum of 7 tracks on the timeline: 4 video tracks and 3 audio-only tracks. Here's more information:

• Get to know the Adobe Premiere Rush interface - TRACKS

Premiere Rush is intended for beginners, so if you need more robust features (such as more tracks), you might consider opening your Premiere Rush project in Premiere Pro:

• Open and edit Premiere Rush projects in Premiere Pro