Thank you for your reply, I tried these, both import scene and import asset, but none of them works in a packaged game. They do work in the editor however. I am getting these error messages when trying it in a packaged build:
[2022.11.24-13.40.05:882][ 38]LogStreaming: Warning: Missing Dependency, missing script import 0x3C1BA044191BF669 for package /Interchange/Pipelines/DefaultSceneAssetsPipeline
[2022.11.24-13.40.05:882][ 38]LogStreaming: Error: CreateExport: /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) - Could not find class object for DefaultSceneAssetsPipeline
[2022.11.24-13.40.05:882][ 38]LogStreaming: Warning: Missing Dependency, missing script import 0x37A754E70E3BF084 for package /Interchange/Pipelines/DefaultSceneAssetsPipeline
[2022.11.24-13.40.05:882][ 38]LogStreaming: Warning: Missing Dependency, missing export 0x1 in package /Interchange/Pipelines/DefaultSceneAssetsPipeline
[2022.11.24-13.40.05:882][ 38]LogStreaming: Error: CreateExport: /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) - Could not find class object for AnimationPipeline
[2022.11.24-13.40.05:882][ 38]LogStreaming: Warning: Missing Dependency, missing script import 0x3CBEAC83880A0611 for package /Interchange/Pipelines/DefaultSceneAssetsPipeline
[2022.11.24-13.40.05:882][ 38]LogStreaming: Warning: Missing Dependency, missing export 0x1 in package /Interchange/Pipelines/DefaultSceneAssetsPipeline
[2022.11.24-13.40.05:882][ 38]LogStreaming: Error: CreateExport: /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) - Could not find class object for CommonMeshesProperties
[2022.11.24-13.40.05:882][ 38]LogStreaming: Warning: Missing Dependency, missing script import 0x59441751F39D984 for package /Interchange/Pipelines/DefaultSceneAssetsPipeline
[2022.11.24-13.40.05:882][ 38]LogStreaming: Warning: Missing Dependency, missing export 0x1 in package /Interchange/Pipelines/DefaultSceneAssetsPipeline
[2022.11.24-13.40.05:882][ 38]LogStreaming: Error: CreateExport: /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) - Could not find class object for CommonSkeletalMeshesAndAnimationsProperties
[2022.11.24-13.40.05:882][ 38]LogStreaming: Warning: Missing Dependency, missing script import 0x24B2F4D4C62335A2 for package /Interchange/Pipelines/DefaultSceneAssetsPipeline
[2022.11.24-13.40.05:882][ 38]LogStreaming: Warning: Missing Dependency, missing export 0x1 in package /Interchange/Pipelines/DefaultSceneAssetsPipeline
[2022.11.24-13.40.05:882][ 38]LogStreaming: Error: CreateExport: /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) - Could not find class object for MaterialPipeline
[2022.11.24-13.40.05:882][ 38]LogStreaming: Warning: Missing Dependency, missing script import 0x2C394FE5DDF5260B for package /Interchange/Pipelines/DefaultSceneAssetsPipeline
[2022.11.24-13.40.05:882][ 38]LogStreaming: Warning: Missing Dependency, missing export 0x1 in package /Interchange/Pipelines/DefaultSceneAssetsPipeline
[2022.11.24-13.40.05:882][ 38]LogStreaming: Error: CreateExport: /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) - Could not find class object for MeshPipeline
[2022.11.24-13.40.05:882][ 38]LogStreaming: Warning: Missing Dependency, missing script import 0x1BA6F39E3BE926BE for package /Interchange/Pipelines/DefaultSceneAssetsPipeline
[2022.11.24-13.40.05:882][ 38]LogStreaming: Warning: Missing Dependency, missing export 0x4 in package /Interchange/Pipelines/DefaultSceneAssetsPipeline
[2022.11.24-13.40.05:882][ 38]LogStreaming: Error: CreateExport: /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) - Could not find class object for TexturePipeline
[2022.11.24-13.40.05:882][ 38]LogStreaming: Warning: SerializeExport: /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) - Skipped failed export AnimationPipeline
[2022.11.24-13.40.05:882][ 38]LogStreaming: Warning: SerializeExport: /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) - Skipped failed export DefaultSceneAssetsPipeline
[2022.11.24-13.40.05:882][ 38]LogStreaming: Warning: SerializeExport: /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) - Skipped failed export CommonMeshesProperties
[2022.11.24-13.40.05:882][ 38]LogStreaming: Warning: SerializeExport: /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) - Skipped failed export CommonSkeletalMeshesAndAnimationsProperties
[2022.11.24-13.40.05:883][ 38]LogStreaming: Warning: SerializeExport: /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) - Skipped failed export MaterialPipeline
[2022.11.24-13.40.05:883][ 38]LogStreaming: Warning: SerializeExport: /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) - Skipped failed export MeshPipeline
[2022.11.24-13.40.05:883][ 38]LogStreaming: Warning: SerializeExport: /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) - Skipped failed export TexturePipeline
[2022.11.24-13.40.05:883][ 38]LogStreaming: Warning: Missing Dependency, missing script import 0x3C1BA044191BF669 for package /Interchange/Pipelines/DefaultSceneAssetsPipeline
[2022.11.24-13.40.05:883][ 38]LogStreaming: Error: CreateExport: /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) - Could not find class object for DefaultSceneAssetsPipeline
[2022.11.24-13.40.05:883][ 38]LogStreaming: Warning: Missing Dependency, missing script import 0x37A754E70E3BF084 for package /Interchange/Pipelines/DefaultSceneAssetsPipeline
[2022.11.24-13.40.05:883][ 38]LogStreaming: Warning: Missing Dependency, missing export 0x1 in package /Interchange/Pipelines/DefaultSceneAssetsPipeline
[2022.11.24-13.40.05:883][ 38]LogStreaming: Error: CreateExport: /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) - Could not find class object for AnimationPipeline
[2022.11.24-13.40.05:883][ 38]LogStreaming: Warning: Missing Dependency, missing script import 0x3CBEAC83880A0611 for package /Interchange/Pipelines/DefaultSceneAssetsPipeline
[2022.11.24-13.40.05:883][ 38]LogStreaming: Warning: Missing Dependency, missing export 0x1 in package /Interchange/Pipelines/DefaultSceneAssetsPipeline
[2022.11.24-13.40.05:883][ 38]LogStreaming: Error: CreateExport: /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) - Could not find class object for CommonMeshesProperties
[2022.11.24-13.40.05:883][ 38]LogStreaming: Warning: Missing Dependency, missing script import 0x59441751F39D984 for package /Interchange/Pipelines/DefaultSceneAssetsPipeline
[2022.11.24-13.40.05:883][ 38]LogStreaming: Warning: Missing Dependency, missing export 0x1 in package /Interchange/Pipelines/DefaultSceneAssetsPipeline
[2022.11.24-13.40.05:883][ 38]LogStreaming: Error: CreateExport: /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) - Could not find class object for CommonSkeletalMeshesAndAnimationsProperties
[2022.11.24-13.40.05:883][ 38]LogStreaming: Warning: Missing Dependency, missing script import 0x24B2F4D4C62335A2 for package /Interchange/Pipelines/DefaultSceneAssetsPipeline
[2022.11.24-13.40.05:883][ 38]LogStreaming: Warning: Missing Dependency, missing export 0x1 in package /Interchange/Pipelines/DefaultSceneAssetsPipeline
[2022.11.24-13.40.05:883][ 38]LogStreaming: Error: CreateExport: /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) - Could not find class object for MaterialPipeline
[2022.11.24-13.40.05:883][ 38]LogStreaming: Warning: Missing Dependency, missing script import 0x2C394FE5DDF5260B for package /Interchange/Pipelines/DefaultSceneAssetsPipeline
[2022.11.24-13.40.05:883][ 38]LogStreaming: Warning: Missing Dependency, missing export 0x1 in package /Interchange/Pipelines/DefaultSceneAssetsPipeline
[2022.11.24-13.40.05:883][ 38]LogStreaming: Error: CreateExport: /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) - Could not find class object for MeshPipeline
[2022.11.24-13.40.05:883][ 38]LogStreaming: Warning: Missing Dependency, missing script import 0x1BA6F39E3BE926BE for package /Interchange/Pipelines/DefaultSceneAssetsPipeline
[2022.11.24-13.40.05:883][ 38]LogStreaming: Warning: Missing Dependency, missing export 0x4 in package /Interchange/Pipelines/DefaultSceneAssetsPipeline
[2022.11.24-13.40.05:883][ 38]LogStreaming: Error: CreateExport: /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) - Could not find class object for TexturePipeline
[2022.11.24-13.40.05:883][ 38]LogStreaming: Warning: SerializeExport: /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) - Skipped failed export AnimationPipeline
[2022.11.24-13.40.05:883][ 38]LogStreaming: Warning: SerializeExport: /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) - Skipped failed export DefaultSceneAssetsPipeline
[2022.11.24-13.40.05:883][ 38]LogStreaming: Warning: SerializeExport: /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) - Skipped failed export CommonMeshesProperties
[2022.11.24-13.40.05:883][ 38]LogStreaming: Warning: SerializeExport: /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) - Skipped failed export CommonSkeletalMeshesAndAnimationsProperties
[2022.11.24-13.40.05:883][ 38]LogStreaming: Warning: SerializeExport: /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) - Skipped failed export MaterialPipeline
[2022.11.24-13.40.05:883][ 38]LogStreaming: Warning: SerializeExport: /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) - Skipped failed export MeshPipeline
[2022.11.24-13.40.05:883][ 38]LogStreaming: Warning: SerializeExport: /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) /Interchange/Pipelines/DefaultSceneAssetsPipeline (0x30ACAF5D8C64A6E) - Skipped failed export TexturePipeline
[2022.11.24-13.40.05:883][ 38]LogUObjectGlobals: Warning: Failed to find object 'Object /Interchange/Pipelines/DefaultSceneAssetsPipeline.DefaultSceneAssetsPipeline'
[2022.11.24-13.40.05:883][ 38]LogStreaming: Warning: Missing Dependency, missing script import 0x15D9EBECEB59F7CB for package /Interchange/Pipelines/DefaultSceneLevelPipeline
[2022.11.24-13.40.05:883][ 38]LogStreaming: Error: CreateExport: /Interchange/Pipelines/DefaultSceneLevelPipeline (0x13BF64B7847ABA7A) /Interchange/Pipelines/DefaultSceneLevelPipeline (0x13BF64B7847ABA7A) - Could not find class object for DefaultSceneLevelPipeline
[2022.11.24-13.40.05:883][ 38]LogStreaming: Warning: SerializeExport: /Interchange/Pipelines/DefaultSceneLevelPipeline (0x13BF64B7847ABA7A) /Interchange/Pipelines/DefaultSceneLevelPipeline (0x13BF64B7847ABA7A) - Skipped failed export DefaultSceneLevelPipeline
[2022.11.24-13.40.05:883][ 38]LogStreaming: Warning: Missing Dependency, missing script import 0x15D9EBECEB59F7CB for package /Interchange/Pipelines/DefaultSceneLevelPipeline
[2022.11.24-13.40.05:883][ 38]LogStreaming: Error: CreateExport: /Interchange/Pipelines/DefaultSceneLevelPipeline (0x13BF64B7847ABA7A) /Interchange/Pipelines/DefaultSceneLevelPipeline (0x13BF64B7847ABA7A) - Could not find class object for DefaultSceneLevelPipeline
[2022.11.24-13.40.05:883][ 38]LogStreaming: Warning: SerializeExport: /Interchange/Pipelines/DefaultSceneLevelPipeline (0x13BF64B7847ABA7A) /Interchange/Pipelines/DefaultSceneLevelPipeline (0x13BF64B7847ABA7A) - Skipped failed export DefaultSceneLevelPipeline
[2022.11.24-13.40.05:883][ 38]LogUObjectGlobals: Warning: Failed to find object 'Object /Interchange/Pipelines/DefaultSceneLevelPipeline.DefaultSceneLevelPipeline'
[2022.11.24-13.40.05:883][ 38]LogInterchangeEngine: [Pending] Importing
[2022.11.24-13.40.05:884][ 38]LogBlueprintUserMessages: [BP_FirstPersonCharacter_C_2147482498] false
[2022.11.24-13.40.05:884][ 38]LogInterchangeEngine: Error: [Failure] Import Done