A job cannot be opened if to remove an image with the latest keyframe of a track (#8952)

Author: bsekachev

changelog.d/20250116_184520_sekachev.bs_fixed_deleted_frames.md

@@ -0,0 +1,4 @@
+### Fixed
+
+- A job cannot be opened if to remove an image with the latest keyframe of a track
+  (<https://github.com/cvat-ai/cvat/pull/8952>)

cvat-core/src/annotations-collection.ts

@@ -8,6 +8,7 @@ import {
     MaskShape, BasicInjection, SkeletonShape,
     SkeletonTrack, PolygonShape, CuboidShape,
     RectangleShape, PolylineShape, PointsShape, EllipseShape,
+    InterpolationNotPossibleError,
 } from './annotations-objects';
 import { SerializedCollection, SerializedShape, SerializedTrack } from './server-response-types';
 import AnnotationsFilter from './annotations-filter';
@@ -249,12 +250,17 @@ export default class Collection {
                 continue;
             }
 
-            const stateData = object.get(frame);
-            if (stateData.outside && !stateData.keyframe && !allTracks && object instanceof Track) {
-                continue;
+            try {
+                const stateData = object.get(frame);
+                if (stateData.outside && !stateData.keyframe && !allTracks && object instanceof Track) {
+                    continue;
+                }
+                visible.push(stateData);
+            } catch (error: unknown) {
+                if (!(error instanceof InterpolationNotPossibleError)) {
+                    throw error;
+                }
             }
-
-            visible.push(stateData);
         }
 
         const objectStates = [];

cvat-core/src/annotations-objects.ts

@@ -85,6 +85,8 @@ type AnnotationInjection = BasicInjection & {
     readOnlyFields?: string[];
 };
 
+export class InterpolationNotPossibleError extends Error {}
+
 class Annotation {
     public clientID: number;
     protected taskLabels: Record<number, Label>;
@@ -1414,10 +1416,7 @@ export class Track extends Drawn {
             };
         }
 
-        throw new DataError(
-            'No one left position or right position was found. ' +
-                `Interpolation impossible. Client ID: ${this.clientID}`,
-        );
+        throw new InterpolationNotPossibleError();
     }
 }
 
@@ -3275,10 +3274,7 @@ export class SkeletonTrack extends Track {
             };
         }
 
-        throw new DataError(
-            'No one left position or right position was found. ' +
-                `Interpolation impossible. Client ID: ${this.clientID}`,
-        );
+        throw new InterpolationNotPossibleError();
     }
 }