ErrLookup › RicoSuter/NSwag

RicoSuter/NSwag

The Swagger/OpenAPI toolchain for .NET, ASP.NET Core and TypeScript. · C# · 444 source files

Analyzed at 63daf8fcc3 on 2026-09-14. 52 documented errors.

Code / MessageTypeSeverityTags
The method ' ' on path ' ' is registered multiple times for…
exception error aspnetcore, swagger, routing, openapi
Project outputs could not be located in
exception error dotnet, msbuild, build-output, cli
The method ' ' on path ' ' is registered multiple times for…
exception error webapi, routing, openapi, url-template
Unable to retrieve project metadata. Ensure it's an…
exception error msbuild, dotnet, project-metadata, cli
This UI does not support multiple documents per UI: Do not…
exception error aspnetcore, swagger-ui, configuration, nswag
does not implement property 'Template
exception error reflection, webapi, route-attribute, nswag
Swagger generation failed with non-zero exit code
exception error process-exit-code, aspnetcore, swagger-generation
Multiple response tags with code
exception error nswag, xml-docs, duplicate, aspnetcore
does not implement property 'Prefix
exception error reflection, webapi, route-prefix, nswag
Unsupported target framework
exception error target-framework, dotnet, unsupported
Unable to locate in .
exception error installation, file-not-found, dotnet-framework
Runtime: " + Runtime + "\n" + stackTrace
exception error process, runtime, dotnet, cli
The command '" + commandName + "' could not be found.
exception error cli, command-not-found, argument-parsing
The parameter '" + Name + "' is required.
exception error cli-parsing, required-argument, interactive-prompt
The operation ' ' has more than one body parameter.
exception error webapi, swagger, body-parameter, openapi
Used arguments ( ) != Provided arguments ( ) -> Check [ ]
exception error cli, unrecognized-argument, command-line
Either the argument Name or Position can be set, but not…
exception error attributes, cli-parsing, configuration
items
exception error nswag, null-argument, dictionary
API Explorer not registered in DI.
exception error aspnetcore, dependency-injection, api-explorer, startup
The specified runtime in the document
exception error cli, runtime-mismatch, configuration, nswag
Unknown error
exception error nodejs, dotnet, cli, process-spawn
The ouput of is a 32-bit application and requires…
exception error bitness, x86, dotnet-framework, cli
An item with the same key has already been added.
exception error nswag, duplicate-key, dictionary
No project (.csproj) file could be found under directory
exception error cli, project-file, path
NSwag requires the assembly
exception error aspnetcore, hosting, reflection, openapi
The SwaggerUiRoute cannot contain
exception error aspnetcore, swagger-ui, route-configuration, nswag
Unable to build IHost
exception error aspnetcore, hosting, timeout, startup
PropertyNameGenerator not set.
exception error code-generation, configuration, programmatic-usage, nswag
The NSwag DI services are not registered: Call…
exception error aspnetcore, dependency-injection, startup, nswag
Some operations are both in included and excluded operation…
exception error code-generation, configuration, operation-ids, nswag
The given schema type is not supported.
exception error nswag, schema-type, unsupported
More than one project was found in directory
exception error cli, ambiguous-path, project-file
The argument 'Input' was empty.
exception error cli, missing-argument, input
Cannot read value from command line because interactive…
exception error console, interactive-mode, cli
The ouput of is a 64-bit application and requires…
exception error bitness, x64, dotnet-framework, cli
No dependency resolver available to create a command…
exception error reflection, dependency-injection, cli
The command class is missing the CommandAttribute attribute.
exception error attributes, cli, command-registration
Process timed out.
exception error timeout, process, hang
Cannot create an instance of
exception error reflection, constructor, cli
Could not retrieve command from arguments
exception error cli, missing-argument, argument-parsing
No registered OpenAPI/Swagger document found for the…
exception error resource-not-found, configuration, aspnetcore, nswag
The schema type JsonSchema is not supported.
exception error nswag, schema-type, json-schema, not-supported
Could not parse variables, ensure that they are in the form…
exception error variables, parsing, invalid-format, cli
The template directory
exception error filesystem, path, templates, configuration
The template directory \
exception error filesystem, path, templates, configuration
The schema type '" + schemaType + "' is not supported.
exception error nswag, schema-type, unsupported
document
exception error nswag, null-argument, constructor
globalScopeNames
exception error nswag, null-argument, security, constructor
The OpenAPI/Swagger document
exception error dependency-injection, configuration, duplicate-registration, nswag
Multiple body parameters found in operation
exception error code-generation, openapi-spec, body-parameter, nswag
key
exception error nswag, null-argument, dictionary
The command '" + name + "' has already been added.
exception error cli, command-registration, duplicate-key