Unreal Wwise integration throws missing language cook warnings

Question

Hi, I'm working on an Unreal project which currently has one Language set up in Wwise with various VO events, and also has various SFX events. When the project is cooked in Unreal, the following warning is spammed for every VO soundbank:
PackagingResults: Warning: FWwiseResourceCookerImpl::PreCacheAssetLibraries(WwiseMultiReferenceAssetLibrary): Could not find language [language id] in SoundBank CookedData for Id [soundbank id] From debugging, what seems to happen during cook is that the VO soundbanks only contain one language in their SoundBankLanguageMap, which leads to them being treated as SFX instead, and not having the language set in the cooked asset (but SFX instead). This is then treated as not having the correct language, which throws the error.

Is this behavior to be expected, is something set up wrong, or is this a bug? We would prefer not to get 1000+ warnings with every cook, but having to set up a new, dummy language just to circumvent this, or converting all VO events to SFX for now, seems a bit unwieldy. Any better intermediate solution would be welcome.

Wwise and UE Integration 2024.1.5, UE 5.5.3

Thanks!

Comments

Hey!

I bit late, but maybe this could help someone in the future. I was able to clear the same warnings we were getting during cook (only for Sound Voice assets) by adding a second language in the Language Manager -- even if you don't need it. After it, generating Sound Banks for both of the languages cleared the warnings!