LUT filename not recognized by Looks

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In Premiere Mobile, Looks will import but not apply a .cube with a long file name. To reproduce on Premiere Mobile 26.5.0 / IOS 26.2:

1. Unzip and download the attached LUT “001 -  Green to Ground - 001medium32.cube”.

2. Click a clip in the timeline and go to Looks.

3. Click “+” to import that .cube. Observe that it is displayed in the list of looks but it is not applied.

4. Try clicking on that look’s thumbnail and observe that it flashes briefly but then the None thumbnail gets selected.

5. Rename the LUT to “test.cube”, download it, and import it into Looks. Observe that it can be applied correctly.