ErrLookup › nodejs/node

nodejs/node

Node.js JavaScript runtime ✨🐢🚀✨ · JavaScript · 13,835 source files

Analyzed at 1b2de5e052 on 2026-08-13. 564 documented errors.

Code / MessageTypeSeverityTags
UND_ERR_INVALID_ARG
options.operator must to be a case insensitive string equal to 'OR' or 'AND'
validation error undici, mock, call-history, filter, validation
expected opts.methods to be an array, got
exception error undici, interceptor, deduplicate, validation, http-method, config
: exit status
exception error inspector-protocol, roll, subprocess, git, devtools-protocol
Found in of , but not in dependencies
exception error gyp, dependencies, build-config, consistency
while evaluating condition
exception error gyp, conditions, name-error, eval, build-config
: unsupported --formatVersion \n
validation error icu, genrb, cli-argument, format-version
value must be one of [0, 1, 2]; got
validation error gyp, msvs, msbuild, enumeration, preprocess, validation
expected opts.methods to only contain safe HTTP methods, got
exception error undici, interceptor, deduplicate, http-method, idempotency, validation
expected opts.maxBufferSize to be a positive finite number…
exception error undici, interceptor, deduplicate, memory, validation, config
extra input\n
console info brotli, decompression, concatenated, informational, verbose
Request failed
exception error undici, http, retry, internal, state-inconsistency
Invalid maxTTL. Must be a positive number
exception error undici, interceptor, dns, cache, validation, config, units
Proxy-Authorization should be sent in ProxyAgent constructor
exception error undici, proxy, proxy-agent, security, headers, invalid-arg
Found wildcard in of referring to same build file
exception error gyp, dependency-graph, wildcard, build-config, validation
Redirect loop detected. Cannot redirect to
exception error undici, http, redirect, cross-origin, client-pool, agent
| cannot handle absolute paths, got
exception error gyp, paths, build-config, response-file
corrupt input [ ]
console warning brotli, decompression, comment, metadata, warning, post-decode
Can't use path in a
exception error xcode, gyp, xcodeproj, copy-files, path
Error generating assembly code for data.
console error icu, pkgdata, assembly, compiler, build-tool
must be specified with option
exception error validation, trust, cli-args, repository
only allows TraceConfig and LeafTraceConfig as child…
exception error v8, perf-test, configuration, tree-structure
###WARNING: Encountered abnormal bytes while converting…
console warning icu, encoding, unicode-converter, toolutil, ucnv
Unable to create map file
console error icu, pkgdata, file-io, build-tool, filesystem, permissions
AddFileConfig: file " " not in project.
exception error gyp, msvs, visual-studio, project-generation, validation
must be at least length 2, not
exception error gyp, conditions, syntax, build-config
UND_ERR
1 interceptor is pending:\n\n
exception error undici, mock, mock-agent, test-assertion, interceptor, pending
error in preparsed UCD
console error icu, ucd, parse-error, build-tool, unicode-string
corrupt input [ ]\n
console error brotli, decompression, corrupt-input, metadata, cli
U_UNSUPPORTED_ERROR
icupkg/ures_enumDependencies
console error icu, resource-bundle, alias, locale-id, malformed-data
Could not locate Visual Studio installation.
exception error gyp, msvs, visual-studio, windows, toolchain, detection
is missing - make sure VC++ tools are installed.
exception error gyp, msvs, visual-studio, windows, toolchain, environment
while executing command ' ' in
exception error gyp, subprocess, command-expansion, environment, build-config
UND_ERR_ABORTED
Response size ( ) larger than maxSize ( )
exception error undici, interceptor, dump, response-size, abort, runtime, memory
unrecognized enumerated value
validation error gyp, msbuild, enumeration, validation, settings
Variable expansion in this context permits strings and…
validation error gyp, variables, type-check, list, build-config
canceled
exception info npm, cli, interactive, cancellation, auth
macro %r was invoked with two values for the special caller…
exception error jinja2, runtime, macro, caller, call-block
Invalid config specified via --build
exception error gyp, build, configurations, validation, cli
UND_ERR_INVALID_RETURN_VALUE
expected Readable
validation error undici, pipeline, stream, readable, return-value, validation
Could not find pattern matching
exception error nodejs, native-addons, build, napi, config
Variable must expand to a string or list of strings; list…
exception error gyp, variables, type-check, list, build-config
Missing property ' '. If you see this error in testing, you…
exception error v8, testrunner, build-config, gn, configuration
Repository in package.json is not a
exception error validation, trust, package-json, repository
must be followed by a dictionary, not
exception error gyp, conditions, syntax, type-check, build-config
stabs debug format is not supported yet.
exception error xcode, gyp, macos, debugging, configuration
must be specified with option or inferred from the…
exception error validation, trust, cli-args, package-json, repository
Unexpected error while reading
exception error build, gyp, config, eval
UND_ERR_SOCKET
bad connect
exception error undici, connect, tunnel, proxy, socket, network, protocol
xcodebuild returned unexpected results
exception error xcode, gyp, macos, environment
none of the templates given were found
exception error jinja2, template, loader, selection
not allowed in the configuration, found in target
exception error gyp, configuration, validation, build-config
unable to write the pool bundle
console error icu, genrb, pool-bundle, write-error, filesystem
has unexpected trailing items
exception error gyp, conditions, syntax, build-config
Content-Length mismatch
exception error undici, http, retry, range, partial-content, resume
%r is not safely callable
exception error jinja2, sandbox, security, callable, securityerror
Expected and got replacement(s) for pattern
exception error codegen, regex, assertion, keywords, v8-build
select fail
console error c-ares, adig, select, errno, event-loop, network
Not enough arguments
exception error windows, gyp, build, mspdbsrv, linker
Xcode environment variables are cyclically dependent
exception error xcode, gyp, macos, configuration, environment-variables
expected opts.excludeHeaderNames to be an array, got
exception error undici, interceptor, deduplicate, headers, validation, config
This feature is not available for this version of Python
exception error async, jinja2, compatibility, rendering
duplicate labels in project urls
exception warning packaging, metadata, pep621, parsing
icupkg/ures_enumDependencies
console error icu, resource-bundle, table, recursion, diagnostic, dependency-enumeration
Unable to open file
exception error gyp, analyzer, config, file-io, json, validation
Could not automatically locate src directory. This isa…
exception error gyp, cli, depth, chromium, build-file, config
maxRedirections must be a positive number
exception error undici, http, redirect, configuration, validation
Internal error in a worker process.
exception error v8, testrunner, multiprocessing, worker, pool
: : \n
console warning icu, toolutil, filetools, build-tool, paths, buffer-overflow
too many content-encodings in response
exception error undici, http, decompress, security, content-encoding, resource-exhaustion, cve
index value ( ) not in expected range
validation error gyp, msvs, enumeration, validation, range
Async mode requires a body stream to be passed to a…
exception error jinja2, async, templating, import
Variable expansion in this context permits str and int…
validation error gyp, conditions, type-check, expansion, build-config
CycleError: cycle involving
exception error gyp, dependency-graph, cycle, topological-sort, validation
Error- BUILD_DATA_WITHOUT_ASSEMBLY is not defined. Internal…
console error icu, pkgdata, build-config, preprocessor, internal-error
Variable expansion in this context permits str and int…
validation error gyp, variables, type-check, expansion, build-config
ares_set_serveres_csv
console error c-ares, ahost, dns-servers, configuration, typo-in-message
gn gen failed
exception error gn, ninja, build-config, v8-build, compile-commands
must pass the parameter as
validation error brotli, cli, argument-parsing, option-syntax, value-required
Must specify a build --phase for
exception error mb, phase, builder, v8-build
Duplicate target definitions for
exception error gyp, targets, duplicate, build-config
GYP_MSVS_OVERRIDE_PATH requires GYP_MSVS_VERSION to be set…
validation error gyp, msvs, environment-variables, visual-studio, config
Invalid name
validation warning web, validation, security, grokdump, path-traversal
unable to create an empty bundle for the pool keys
console error icu, genrb, pool-bundle, memory, srbroot
Failed to compile \n
console warning icu, pkgdata, build-tool, compiler, configuration
throwOnMaxRedirect must be a boolean
exception error undici, http, redirect, configuration, validation, boolean
An error occurred processing file
console error icu, genrb, input-file, encoding, parse-error
Attempt to merge list item of unsupported type
validation error gyp, merge, type-error, validation, build-config
ETag mismatch
exception error undici, http, retry, etag, range, resume, data-integrity
udata_openSwapperForInputData
console error icu, genrb, pool-bundle, data-swap, invalid-format
can't create custom node types
exception error jinja2, ast, node-type, sealed-hierarchy, monkeypatch
## ERR: Path too long
console warning icu, pkgdata, pkgtypes, build-tool, input-validation, paths
icupkg: has mismatched checksum for
console warning icu, resource-bundle, pool-bundle, checksum, mismatch, build-consistency
Undefined on and .
exception error packaging, pep508, markers, environment-markers
expected string; got %r
validation error gyp, msvs, validation, type-check, settings
must be specified in the format group/project or…
exception error validation, trust, gitlab, cli-args
GitLab CI/CD pipeline file must be just a file not a path
exception error validation, trust, gitlab, cli-args, filepath
Unknown command string
exception error gyp, command-expansion, build-config, syntax
couldn't open file
console error icu, genrb, input-file, file-not-found, filesystem
server does not support the range header and the payload…
exception error undici, http, retry, range, partial-content, resume
Undefined variable in
exception error gyp, variables, undefined, build-config, expansion