I had the same error in Unreal 5.3 where i coudn’t save my Asset ‘…/…/…/…/cosmodome/Content/Sequence/LS_Prise_De_Vue_De_Haut_Lune.uasset’ cannot be saved as it has only been partially loaded, and i found out that it was because and old file named LS_Prise_De_Vue_De_Haut_Lune.uasset was corrupted so i just changed the name of the level sequence and it was able to save, dont know if it can be usefull but its gonna be here for someone if they need help.
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