Edius Could Not Use The Selected Format Please Confirm Setting ((link)) -

EDIUS projects are built on a foundation. If you set your project for (progressive), but your source footage is 1080i 59.94fps (interlaced), or your desired export preset requires a 50i format, you are likely to encounter a conflict. Similarly, as noted in community discussions, you cannot export a 24p project directly to DVD without changing the project properties to match the required 50i or 60i standards for DVD authoring.

Trying to export at a frame rate that differs from your project settings (e.g., project is 29.97p but you are trying to export a format that strictly requires 59.94p or 60p). EDIUS projects are built on a foundation

EDIUS projects are built on a foundation. If you set your project for (progressive), but your source footage is 1080i 59.94fps (interlaced), or your desired export preset requires a 50i format, you are likely to encounter a conflict. Similarly, as noted in community discussions, you cannot export a 24p project directly to DVD without changing the project properties to match the required 50i or 60i standards for DVD authoring.

Trying to export at a frame rate that differs from your project settings (e.g., project is 29.97p but you are trying to export a format that strictly requires 59.94p or 60p).