Hi Pierre Lannoy,
You can ignore them. I stumbled upon a few other issues while checking your file/report (and gave an incorrect answer due to some some setting changes/error on my part) so i've deleted it. The mask issue is already logged to be looked at. Thanks.
Sorry for my fully rasterized upload. I would not expect it to get rasterized with default export preset "SVG (for export)", accordingly to my experience with e.g. preset "PDF (for export)", which works like a charm here: Logo_ot.pdf
Finally it appears the object/layer type "(Mask)" causes a bug when exported as SVG.
As a workaround you may avoid using such mask layers but instead apply the gradient directly to their mother layer: Logo_ot_no-rast.svg
For easier investigation I isolated related objects, moved your mask, set it to invisible and created a new mask:
Logo_ot-mask.afphoto
The resulting SVG, opened in AP, shows the issue again: the entire "(Mask)" layer + its mother "(Curve)" layer became converted to plain areas, neither locally limited nor with a gradient:
Logo_ot-mask.svg
Besides this SVG mask export issue I run into an unexpected appearance with your mask layer when moving it in the layer hierarchy: then it shows a rectangular gradient as expected with your masked content ... BUT some more fully transparency OUTSIDE its right and bottom edges:
I recommend you to post this topic once more in the bugs forum. To reduce copy/paste or uploads you could post a link to this thread.
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