Assets used with a raster overlay must have type 'IMAGERY', but instead saw 'unknown'

build in windows see UATHelper: 打包 (Windows): LogCesium: Error: [2025-07-18 09:33:09.809] [error] [RasterOverlayCollection.cpp:146] Assets used with a raster overlay must have type ‘IMAGERY’, but instead saw ‘unknown’.
UATHelper: 打包 (Windows): LogCook: Display: GarbageCollection Results:
UATHelper: 打包 (Windows): Type: Soft
UATHelper: 打包 (Windows): NumObjects:
UATHelper: 打包 (Windows): Capacity: 100007936
UATHelper: 打包 (Windows): Before GC: 2048221
UATHelper: 打包 (Windows): After GC: 1816415
UATHelper: 打包 (Windows): Freed by GC: 231806
UATHelper: 打包 (Windows): Virtual Memory:
UATHelper: 打包 (Windows): Before GC: 32454 MB
UATHelper: 打包 (Windows): After GC: 32614 MB
UATHelper: 打包 (Windows): Freed by GC: -159 MB
PackagingResults: Error: [2025-07-18 09:33:09.809] [error] [RasterOverlayCollection.cpp:146] Assets used with a raster overlay must have type ‘IMAGERY’, but instead saw ‘unknown’.

@hiphopboy55 It’s pretty hard to figure out what might be going wrong from this error message! Can you give some information on what raster overlay you’re trying to load?