Suppressed elements still present during the cook

Hi guys,
After to have cleaned some folders by removing obsolete elements, I get those warning during the cooking.
Do you I need to remove something else to be sure that those obsolete element are definitly removed from my project?

Thanks you.



UATHelper: Packaging (Android (All)): UE4Editor-Cmd: [2017.02.07-08.33.06:159]  0]LogUObjectGlobals:Warning: Failed to load '/Game/Materials/Environments/M_Background_012': Can't find file '/Game/Materials/Environments/M_Background_012'
UATHelper: Packaging (Android (All)): UE4Editor-Cmd: [2017.02.07-08.33.06:169]  0]LogLinker:Warning: Can't find file for asset '/Game/Materials/Environments/M_Background_012' while loading ../../../../../../Users/Lory/Documents/Unreal Projects/SwitchIT/Content/Maps/Level_Test_A.umap.
UATHelper: Packaging (Android (All)): UE4Editor-Cmd: [2017.02.07-08.33.06:180]  0]LogUObjectGlobals:Warning: Failed to load '../../../../../../Users/Lory/Documents/Unreal Projects/SwitchIT/Content/Maps/Level_Test_A.umap': Can't find file for asset '/Game/Materials/Environments/M_Background_012' while loading ../../../../../../Users/Lory/Documents/Unre
al Projects/SwitchIT/Content/Maps/Level_Test_A.umap.
UATHelper: Packaging (Android (All)): UE4Editor-Cmd: [2017.02.07-08.33.06:192]  0]LogLinker:Warning: Can't find file '/Game/Materials/Environments/M_Background_012'
UATHelper: Packaging (Android (All)): UE4Editor-Cmd: [2017.02.07-08.33.06:201]  0]LogUObjectGlobals:Warning: Failed to load '/Game/Materials/Environments/M_Background_012': Can't find file '/Game/Materials/Environments/M_Background_012'
UATHelper: Packaging (Android (All)): UE4Editor-Cmd: [2017.02.07-08.33.06:212]  0]LogLinker:Warning: Can't find file for asset '/Game/Materials/Environments/M_Background_012' while loading ../../../../../../Users/Lory/Documents/Unreal Projects/SwitchIT/Content/Maps/Level_Test_A.umap.
UATHelper: Packaging (Android (All)): UE4Editor-Cmd: [2017.02.07-08.33.06:223]  0]LogUObjectGlobals:Warning: Failed to load '../../../../../../Users/Lory/Documents/Unreal Projects/SwitchIT/Content/Maps/Level_Test_A.umap': Can't find file for asset '/Game/Materials/Environments/M_Background_012' while loading ../../../../../../Users/Lory/Documents/Unre
al Projects/SwitchIT/Content/Maps/Level_Test_A.umap.
UATHelper: Packaging (Android (All)): UE4Editor-Cmd: [2017.02.07-08.33.06:235]  0]LogLinker:Warning: Can't find file '/Game/Materials/Environments/M_Background_012'
UATHelper: Packaging (Android (All)): UE4Editor-Cmd: [2017.02.07-08.33.06:244]  0]LogUObjectGlobals:Warning: Failed to load '/Game/Materials/Environments/M_Background_012': Can't find file '/Game/Materials/Environments/M_Background_012'
UATHelper: Packaging (Android (All)): UE4Editor-Cmd: [2017.02.07-08.33.06:255]  0]LogLinker:Warning: Can't find file for asset '/Game/Materials/Environments/M_Background_012' while loading NULL.
UATHelper: Packaging (Android (All)): UE4Editor-Cmd: [2017.02.07-08.33.06:265]  0]LogUObjectGlobals:Warning: Failed to load '/Game/Materials/Environments/M_Background_012': Can't find file for asset '/Game/Materials/Environments/M_Background_012' while loading NULL.
UATHelper: Packaging (Android (All)): UE4Editor-Cmd: [2017.02.07-08.33.06:276]  0]LogLinker:Warning: Can't find file '/Game/Materials/Environments/M_Background_012'
UATHelper: Packaging (Android (All)): UE4Editor-Cmd: [2017.02.07-08.33.06:286]  0]LogUObjectGlobals:Warning: Failed to load '/Game/Materials/Environments/M_Background_012': Can't find file '/Game/Materials/Environments/M_Background_012'
UATHelper: Packaging (Android (All)): UE4Editor-Cmd: [2017.02.07-08.33.06:297]  0]LogLinker:Warning: Can't find file for asset '/Game/Materials/Environments/M_Background_012' while loading NULL.
UATHelper: Packaging (Android (All)): UE4Editor-Cmd: [2017.02.07-08.33.06:307]  0]LogUObjectGlobals:Warning: Failed to load '/Game/Materials/Environments/M_Background_012': Can't find file for asset '/Game/Materials/Environments/M_Background_012' while loading NULL.
UATHelper: Packaging (Android (All)): UE4Editor-Cmd: [2017.02.07-08.33.06:345]  0]LogLinker:Warning: Can't find file '/Game/Materials/Environments/M_Background_012'
UATHelper: Packaging (Android (All)): UE4Editor-Cmd: [2017.02.07-08.33.06:359]  0]LogUObjectGlobals:Warning: Failed to load '/Game/Materials/Environments/M_Background_012': Can't find file '/Game/Materials/Environments/M_Background_012'
UATHelper: Packaging (Android (All)): UE4Editor-Cmd: [2017.02.07-08.33.06:370]  0]LogLinker:Warning: Can't find file for asset '/Game/Materials/Environments/M_Background_012' while loading NULL.
UATHelper: Packaging (Android (All)): UE4Editor-Cmd: [2017.02.07-08.33.06:392]  0]LogUObjectGlobals:Warning: Failed to load '/Game/Materials/Environments/M_Background_012': Can't find file for asset '/Game/Materials/Environments/M_Background_012' while loading NULL.
UATHelper: Packaging (Android (All)): UE4Editor-Cmd: [2017.02.07-08.33.06:402]  0]LogLinker:Warning: Can't find file '/Game/Materials/Environments/M_Background_012'
UATHelper: Packaging (Android (All)): UE4Editor-Cmd: [2017.02.07-08.33.06:424]  0]LogUObjectGlobals:Warning: Failed to load '/Game/Materials/Environments/M_Background_012': Can't find file '/Game/Materials/Environments/M_Background_012'
UATHelper: Packaging (Android (All)): UE4Editor-Cmd: [2017.02.07-08.33.06:435]  0]LogLinker:Warning: Can't find file for asset '/Game/Materials/Environments/M_Background_012' while loading NULL.
UATHelper: Packaging (Android (All)): UE4Editor-Cmd: [2017.02.07-08.33.06:456]  0]LogUObjectGlobals:Warning: Failed to load '/Game/Materials/Environments/M_Background_012': Can't find file for asset '/Game/Materials/Environments/M_Background_012' while loading NULL.
UATHelper: Packaging (Android (All)): UE4Editor-Cmd: [2017.02.07-08.33.06:467]  0]LogLinker:Warning: Can't find file '/Game/Materials/Environments/M_Background_012'
UATHelper: Packaging (Android (All)): UE4Editor-Cmd: [2017.02.07-08.33.06:488]  0]LogUObjectGlobals:Warning: Failed to load '/Game/Materials/Environments/M_Background_012': Can't find file '/Game/Materials/Environments/M_Background_012'
UATHelper: Packaging (Android (All)): UE4Editor-Cmd: [2017.02.07-08.33.06:498]  0]LogLinker:Warning: Can't find file for asset '/Game/Materials/Environments/M_Background_012' while loading NULL.
UATHelper: Packaging (Android (All)): UE4Editor-Cmd: [2017.02.07-08.33.06:519]  0]LogUObjectGlobals:Warning: Failed to load '/Game/Materials/Environments/M_Background_012': Can't find file for asset '/Game/Materials/Environments/M_Background_012' while loading NULL.


did you remove those via file explorer/finder and not inside ue’s content editor?
it looks like your level file has references to deleted assets.

I did both.
Can I easily see all the existing references from a level to elements?

right click on the asset in content editor, and click reference viewer

The problem is that those asset only appears in the error log during the cook. It is no more present in the content editor or file explorer.

you probably just already did it, but did you try to Fix redirectors in your entire content folder?

SOLVED
By using the reference view, you just have to add the name of the deprecated element inside the address bar.
THX again.

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