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NS_E_WMPCORE_PLAYLIST_IMPORT_FAILED_NO_ITEMS
Diagnosing NS_E_WMPCORE_PLAYLIST_IMPORT_FAILED_NO_ITEMS
0xC00D10B1 maps to this result. Its actionable interpretation is library import produced no items from the selected playlist within the Windows Media playlist and metafile state machine; the producing mechanism is the layer that turns ASX/WAX/WVX/WMX or library playlists into Media objects, resolves REF and ENTRYREF URLs, expands nesting, handles EVENT and REPEAT blocks and advances to alternates.
Evidence that separates the result
| Field | What to record |
|---|---|
| Decisive check | Record source playlist format, parsed item count and reasons items were excluded |
| Artifact identity | Resolved base URL for REF or ENTRYREF targets for the playback core playlist import failed no items reproduction |
| Runtime state | Current item index, alternate index and nested-playlist depth for this reproduction |
| Owning object | Repeat/event boundary and the media object expected at its start or end for this reproduction |
| Lower-level result | Playlist URL, format, response content type and exact downloaded bytes for this reproduction |
| Correlation | ASX version and element stack at the failure for this reproduction |
Representative case: An empty or entirely filtered playlist is submitted to PlaylistCollection import. The example isolates only the producing component.
Focused test and correction
- Perform the code-specific test: record source playlist format, parsed item count and reasons items were excluded.
- Make the narrow correction—import a playlist containing resolvable media items—and repeat the same producing operation.
Nearby results with different boundaries
| Result | Different boundary |
|---|---|
NS_E_WMPCORE_INVALID_PLAYLIST_URL | The playlist URL is syntactically invalid or unusable by the playlist manager |
NS_E_WMPCORE_PLAYLIST_REPEAT_END_MEDIA_NONE | The runtime cannot find the Media object that should mark the end of a REPEAT block |
NS_E_WMPCORE_WMX_ENTRYREF_NO_REF | An ENTRYREF element was parsed without its required HREF target |
Verification
Repeat the original operation with a fresh owning object after the identified precondition is corrected. Treat this result as resolved only when that same operation passes this stage; preserve any later HRESULT as a separate failure.
Technical references
- Windows Media metafile reference — normative or platform material relevant to this result.
- Metafile elements reference — API or format context for this HRESULT.
- ENTRYREF element — documentation used to identify the producing boundary of this result.
- REPEAT element
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