ErrLookup › icsharpcode/ILSpy

icsharpcode/ILSpy

.NET Decompiler with support for PDB generation, ReadyToRun, Metadata (&more) - cross-platform! · C# · 1,781 source files

Analyzed at 60c08fcb74 on 2026-08-13. 44 documented errors.

Code / MessageTypeSeverityTags
Unexpected member type
exception error decompilation, internal-assertion, metadata
Cannot decompile this assembly to a SDK style project. Use…
exception error project-export, sdk-style, target-framework, metadata
The handle must not be nil.
exception error id-string, metadata, nil-handle, argument
XmlDoc is redirecting to , but that file was not found.
exception error xml-doc, redirect, file-not-found, framework-docs
Unsupported handle kind
exception error id-string, metadata, handle-kind, argument
{ser}
exception error baml, xaml, parsing
The chosen settings require at least
exception error project-export, language-version, settings, configuration
Error decompiling @
exception error decompilation, error-wrapping, obfuscation, metadata
Could not resolve known assembly
exception error baml, wpf, assembly-resolution
Error decompiling module and assembly attributes of
exception error decompiler, csharp, attributes, assembly-resolution
types contains null element
validation error decompilation, validation, metadata, argument
Expected type name
exception error id-string, parse, reflection-name, type-name
Could not find '.' separating type name from member name
exception error id-string, parse, reflection-name, find-entity
Invalid field token
exception error il-reader, metadata-token, field, bad-image
HandleKind is not supported!
exception error decompilation, extensions, validation, type-guard
BAML defer record points at an offset that is not a record…
exception error baml, parsing, validation
Invalid metadata token
exception error il-reader, metadata-token, bad-image, corruption
Invalid BAML signature length.
exception error baml, validation, parsing, security
Cannot get RVA section prefix from module
exception error disassembly, il, pe-file, metadata
{type}
exception error baml, xaml, parsing
svg not found
exception error mermaid, javascript, dom, ui, export
Invalid metadata token for ldtoken instruction.
exception error il-reader, metadata-token, ldtoken, bad-image
Unexpected footer.
exception error baml, xaml, wpf, parsing
Unknown double type.
exception error baml, xaml, parsing
Invalid calli metadata token
exception error il-reader, metadata-token, calli, bad-image
Extension member is not supported for decompilation.
exception error decompilation, extensions, vb, metadata
Cannot compute an ID string for an entity that is not…
exception error id-string, metadata, not-supported, synthetic-entity
Expected '}'
exception error id-string, parse, reflection-name, generic-arity
Type was not found in the module being decompiled, but only…
exception error decompilation, type-resolution, module-scope
v
validation error decompiler, csharp, argument-null, internal
error
validation error decompiler, csharp, argument-null
typeSystem
validation error decompiler, csharp, argument-null
Cannot use an uncached type system in the decompiler.
validation error decompiler, csharp, configuration
Unexpected rawTypeKind
exception error disassembly, il, bad-metadata, metadata
context not found
exception error javascript, canvas, ui, export, browser-compat
types
validation error decompiler, csharp, argument-null
Cannot find StaticResource @
exception error baml, xaml, static-resource
Missing type tag
exception error id-string, parse, reflection-name, find-entity
Could not find type definition
exception error decompilation, type-resolution, metadata
handle
validation error decompilation, validation, argument, extensions
Implementation must either be an index into the File…
exception error disassembly, il, bad-metadata, exported-type, metadata
definitions contains null element
validation error decompilation, validation, metadata, argument
Expected a TypeDef, TypeRef or TypeSpec handle!
exception error disassembly, il, bad-metadata, events, metadata
definitions
validation error decompilation, validation, argument, null-reference