ErrLookup › nestjs/nest

nestjs/nest

A progressive Node.js framework for building efficient, scalable, and enterprise-grade server-side applications with TypeScript/JavaScript 🚀 · TypeScript · 1,029 source files

Analyzed at 14b74ae705 on 2026-09-20. 35 documented errors.

Code / MessageTypeSeverityTags
An unsupported message was received. It has been negative…
console error rabbitmq, amqp, message-routing, pattern-mismatch, nack, dead-letter
The "instanceDecorator" function threw an error while…
console warning nestjs, instrumentation, decorator, proxy, bootstrap, nestjs-cls
Content-Type doesn't match Reply body, you might need a…
console warning fastify, http, content-type, exception-filter, http-errors
Nest can't resolve dependencies of the
exception critical dependency-injection, circular-import, forwardref, typescript, bootstrap
HTTP adapter does not support filtering on host
http error routing, host-filtering, fastify, virtual-host, http-500
RMQ broker has blocked the connection (flow control). Reason
console warning rabbitmq, amqp, flow-control, backpressure, resource-alarm
Calling the " " in the preview mode is not supported.
exception error preview-mode, bootstrap, lifecycle, configuration
Cannot apply global guards: registration must occur before…
console warning nestjs, microservices, guards, security, lifecycle, bootstrap-order
Unsupported route path
console error
Nest could not find element (this provider does not exist…
exception error dependency-injection, moduleref, token, lookup
Nest could not select the given module
exception error moduleref, module-selection, dynamic-module, di-container
Cannot apply global preRequest hooks: registration must…
console warning nestjs, microservices, pre-request-hooks, lifecycle, bootstrap-order
Nest cannot create the
exception critical module-configuration, circular-import, forwardref, esm, bootstrap
An unsupported event was received. It has been negative…
console error rabbitmq, amqp, event-routing, pattern-mismatch, nack, dead-letter
Conflicting HTTP routes detected
exception critical routing, route-conflict, bootstrap, http
" " is decorated with @Injectable() and cannot appear in…
exception critical module-configuration, injectable, providers, bootstrap
Cannot apply global interceptors: registration must occur…
console warning nestjs, microservices, interceptors, lifecycle, bootstrap-order
An invalid controller has been detected.
exception critical controller, decorator, routing, module-configuration, bootstrap
Nest cannot create the
exception critical module-configuration, dynamic-module, falsy-value, bootstrap
Global pipes registered after initialization will not be…
console warning nestjs, microservices, pipes, lifecycle, bootstrap-order
Cannot
http warning http-404, routing, not-found, global-prefix
You must return an Observable stream to use Server-Sent…
exception error sse, rxjs, observable, routing, realtime
Nest cannot export a provider/module that is not a part of…
exception critical module-configuration, exports, providers, imports, bootstrap
ModuleRef cannot instantiate class
exception error dependency-injection, moduleref, dynamic-instantiation, typescript
Forbidden resource
http error guards, authorization, http-403, security
" " is decorated with @Controller() and cannot appear in…
exception critical module-configuration, controller, imports, bootstrap
useWebSocketAdapter() was called after WebSocket gateways…
console error
The middleware doesn't provide the 'use' method
exception critical middleware, contract, http, bootstrap
A circular dependency has been detected inside
exception error
A circular dependency has been detected inside
exception error
Warning! " " module exposes a "configure" method that…
console error
" " is decorated with @Catch() and cannot appear in the…
exception error
The module " " is taking ms to serialize, this may be…
console error
Nest cannot create the module instance. Often, this is…
exception error
Route ( ) is shadowed by ( ). The first-registered route…
console error