ErrLookup › nektos/act

nektos/act

Run your GitHub Actions locally 🚀 · Go · 88 source files

Analyzed at 4f41128141 on 2026-08-15. 180 documented errors.

Code / MessageTypeSeverityTags
ErrShortRef
short SHA references are not supported
error_code error github-actions, expression-parsing, yaml, panic, act, workflow-syntax
missing steps in composite action
validation error composite-action, action-yml, act, workflow
network-scoped aliases are only supported for user-defined…
validation error docker, network, container-options, configuration
Failed to create job container
exception critical build-tags, docker, container-creation, unsupported-platform
( )
exception error git, path, action-tree, act
GoGitActionCache failed to open bare git
exception error git, cache, filesystem, act
failed to insert node
validation error yaml, matrix, expression, act
links are only supported for user-defined networks
validation error docker, network, links, legacy, configuration
Compare not implemented for types: left: %+v, right: %+v
exception error expression, exprparser, comparison, reflect
failed to remove image
exception error docker, architecture, image-cache, act
Unable to compare incompatibles types
exception error expression, exprparser, logical-operators, internal
Unsupported Operation
exception critical build-tags, docker, unsupported-platform, environment
Error occurred running finally
exception warning executor, cleanup, finally, control-flow, act
broken file: !=
http warning artifact-cache, upload, storage, data-integrity, act
circular alias
validation error yaml, anchors, aliases, workflow-parsing
Cannot find: in PATH
console error host-execution, path, self-hosted, environment
unable to determine outbound IP address
exception error network, artifact-cache, offline, environment
The runs.using key must be one of
validation error action, runs-using, runner, dockerfile
cache : not reserved
http warning artifact-cache, http-api, actions-cache, state
compile
exception error watch-mode, gitignore, configuration, cli
compacting json for seccomp profile
validation error docker, seccomp, security-opt, json, container-options
Could not find any stages to run. View the valid jobs with…
console warning cli, planner, workflow-filter, configuration
find cache
http error artifact-cache, bolthold, database, act
service container failed to start
exception error docker, services, healthcheck, timeout, containers
failed to identify reference (tag/branch) for the…
exception error git, ref, detached-head, shallow-clone, act
network is specified multiple times
validation error docker, network, duplicate, container-options, act
Invalid glob option , available option…
validation error expression, hashfiles, glob, workflow
valid streams are STDIN, STDOUT and STDERR
validation error docker, attach, container-options, validation
write back id to db
http error artifact-cache, bolthold, database, concurrency, act
expressions are not allowed here
validation error go, act, schema-validation, expressions, yaml
opening seccomp profile
validation error docker, security, seccomp, filesystem, act
parse
http error artifact-cache, http, content-range, parsing, act
TODO: ' ' not implemented
exception error expression, exprparser, functions, not-implemented
Cannot process container options
validation error docker, container-options, validation, flag-conversion
--uts: invalid UTS mode
validation error docker, container-create, daemon, cleanup
unresolved alias node
validation error yaml, aliases, workflow-parsing, configuration
no name set for network
validation critical docker, docker-host, socket, environment, setup
insert cache
http error artifact-cache, bolthold, disk-full, database, act
CopyTarStream has been cancelled
exception warning cancellation, context, tar, host-extractor, timeout
unclosed string.
panic critical go, act, expressions, panic, string-escaping, yaml
GoGitActionCache failed to resolve sha
exception error git, ref, cache, act
Unable to resolve action
validation error git, remote-action, sha-pinning, uses
failed to handle credentials
exception error docker, registry, credentials, act
failed to read ' ' from action ' ' with path ' ' of step
exception error action, metadata, cache, uses
Cannot merge container.Config options
exception error docker, container-options, merge, internal-error, dependencies
Unable to determine how to run job
validation error go, act, step-factory, workflow-validation, defensive-code
--userns: invalid USER mode
validation error docker, image-inspect, environment, daemon
--pid: invalid PID mode
validation error docker, platform, validation, configuration
expected format / /.github/workflows/ @ . Actual ' ' Input…
validation error reusable-workflow, uses, workflow, act
cache : already complete
http warning artifact-cache, http-api, actions-cache, state
--health-retries cannot be negative
validation error docker, exit-code, shell, alpine, bash
failed to connect to docker daemon
exception critical docker, daemon-connection, docker-host, configuration
Unknown Function Call
validation error go, act, schema-validation, expressions, unknown-function
failed to parse service
exception error docker, services, ports, workflow-syntax, configuration
invalid storage option
validation error docker, storage, container-options, validation
invalid Step : missing run or uses key
validation error workflow, yaml, steps, act
generate auth token
exception critical entropy, crypto-rand, artifact-cache, sandboxing
--health-start-interval cannot be negative
validation error docker, copy, tar, filesystem, container-lifecycle
invalid Pattern
validation error go, act, glob-pattern, workflow-filters, validation
is not a valid mac address
validation error docker, mac-address, validation, container-options, act
conflicting options: cannot specify both --link and…
validation error docker, copy, tar, container-lifecycle
❌ Error in if-expression: "if
exception error expressions, steps, if-condition, validation
--cgroupns: invalid CGROUP mode
validation error docker, dotenv, image-env, parsing
Cannot parse networkmode=
validation error docker, network-mode, internal-error, library-embedding
max depth of symlinks exceeded while reading
exception error symlink, local-action, filesystem, security
unknown server OS
validation error docker, device-mapping, server-os, validation
GoGitActionCache failed to get commit
exception error git, sha, cache, act
Actions YAML Strict Schema Validation Error detected:\nFor…
validation error workflow, schema, strict, validation
container.credentials cannot be empty
validation error container, credentials, workflow-syntax
symlink tries to access file
validation error security, symlink, path-traversal, supply-chain
unable to determine if image already exists for image
exception error docker, image-pull, daemon-connection, image-reference
invalid range format for --expose
validation error docker, ports, expose, validation, act
failed to fetch " " version
exception error network, action-cache, git, authentication, fetch
invalid publish opts format
validation error docker, ports, publish, parsing, act
invalid step status
validation error step-result, json, enum, unmarshal
workflow is not valid.
validation error workflow, planner, yaml, validation
Actions YAML Schema Validation Error detected:\nFor more…
validation error workflow, schema, yaml, validation
failed to handle service
exception error services, docker, credentials, act
GoGitActionCache failed to open bare git
exception error git, cache, concurrency, act
Invalid run/uses syntax for job
validation error workflow-syntax, steps, validation, yaml
this step has been cancelled
exception warning cancellation, context, exec, timeout, host-runner
unable to build dependency graph for
validation error workflow, planner, dependency-graph, needs
Cannot parse container options
validation error docker, container-options, flag-parsing, workflow-config
conflicting options: cannot specify both --ip6 and…
validation error docker, container-start, daemon, runtime
conflicting options: cannot specify both --mac-address and…
validation error docker, container-wait, network, long-running
conflicting options: cannot attach both user-defined and…
validation error filesystem, tar, tmp, seek
failed to interpolate container.credentials.username
validation error container, credentials, secrets, expressions
GoGitActionCache failed to create remote
exception error git, url, remote, act
error occurring when resetting io pointer in
exception error workflow, planner, seek, rare
remote ' ' exists but has no URL
exception error git, remote, config, act
conflicting options: cannot specify both --link-local-ip…
validation error docker, exit-code, job-failure, container-lifecycle
GoGitActionCache failed to open git tree
exception error git, cache, corruption, act
--health-interval cannot be negative
validation error docker, exec-attach, network, daemon
--health-start-period cannot be negative
validation error docker, exit-code, step-failure, user-error
workflow is not valid.
validation error workflow, job-id, validation, regex
unable to readlink
exception error symlink, filecollector, filesystem, workspace
Unknown Variable Access
validation error go, act, schema-validation, expressions, context-variables
`uses` key references invalid workflow path
validation error workflow, reusable-workflow, uses, validation
GoGitActionCache failed to fetch
exception error network, git, auth, act, fetch
The runs.using key in action.yml must be one of
validation error action, yaml, runs-using, validation