Absolute Path Expected Error Causes Limited Functionality in VS Code C# Extension (StreamJsonRpc.RemoteInvocationException) #8596
Description
Type: Bug
I just open vscode with folder opened before and then c# extension get error and i can't get any feature like auto complete, suggest import.
===================== 9/9/2025 11:15:10 AM LimitedFunctionality StreamJsonRpc.RemoteInvocationException: Absolute path expected (Parameter 'path') at StreamJsonRpc.JsonRpc.InvokeCoreAsync[TResult](RequestId id, String targetName, IReadOnlyList1 arguments, IReadOnlyList1 positionalArgumentDeclaredTypes, IReadOnlyDictionary`2 namedArgumentDeclaredTypes, CancellationToken cancellationToken, Boolean isParameterObject) at Microsoft.VisualStudio.ProjectSystem.VSCode.LanguageServices.Workspace.<>c__DisplayClass43_0.<g__ProcessInitialEvaluationDataAsync|1>d.MoveNext() ===================
Extension version: 2.87.31
VS Code version: Code 1.103.2 (6f17636121051a53c88d3e605c491d22af2ba755, 2025-08-20T16:45:34.255Z)
OS version: Windows_NT x64 10.0.26100
Modes:
System Info
| Item | Value |
|---|---|
| CPUs | AMD Ryzen 9 5950X 16-Core Processor (32 x 3400) |
| GPU Status | 2d_canvas: enabled direct_rendering_display_compositor: disabled_off_ok gpu_compositing: enabled multiple_raster_threads: enabled_on opengl: enabled_on rasterization: enabled raw_draw: disabled_off_ok skia_graphite: disabled_off trees_in_viz: disabled_off video_decode: enabled video_encode: enabled vulkan: disabled_off webgl: enabled webgl2: enabled webgpu: enabled webnn: disabled_off |
| Load (avg) | undefined |
| Memory (System) | 63.93GB (21.90GB free) |
| Process Argv | --crash-reporter-id 71cf9fc8-b633-41a1-878c-ce9a14a5d9bd |
| Screen Reader | no |
| VM | 0% |
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