Bug: DOMException: signal is aborted without reason

[Nmzik]

I've encountered a bug related to external tilesets. It appears that the tile somehow was aborted before. However, I have no idea how that's possible, considering an AbortController instance is created per each load. Therefore, at this point, I need to check additionally if the signal was aborted before (signal.aborted). It seems to happen randomly (but only if you have externals tilesets defined in the main Tileset.json).

{
    "stack": "Error: signal is aborted without reason\n    at http://localhost:3000/node_modules/3d-tiles-renderer/src/base/TilesRendererBase.js?v=02784ebd:439:19\n    at LRUCache.unloadUnusedContent (http://localhost:3000/node_modules/3d-tiles-renderer/src/utilities/LRUCache.js?v=02784ebd:162:26)\n    at http://localhost:3000/node_modules/3d-tiles-renderer/src/utilities/LRUCache.js?v=02784ebd:180:10"
}

Update: I'm unable to check the status of the variable signal.aborted

if (t.__loadAbort.signal.aborted === false)
   t.__loadAbort.abort(); //Bypasses the if statement and throws an exception. What's going on?