Fedor,
Sorry that you are seeing this issue.
I could not replicate the validation error at my end.
I installed ng-inline-svg
to my Angular project, added the import { InlineSVGModule } from 'ng-inline-svg';
to the app.module.ts file and placed this line <div [inlineSVG]="svg"></div>
in the app.component.html file but do not see any validation errors reported for inlineSVG.
Can you please share with us more details about how you are accessing the InlineSVG in the project to help us replicate the problem at our end? Please also share with us the screenshot of the editor to help us get a visual.
–Swapna
Genuitec Support