ErrLookup › wasmerio/wasmer

wasmerio/wasmer

🚀 Fast, secure, lightweight containers based on WebAssembly · Rust · 1,000 source files

Analyzed at 8c4b9ee9d3 on 2026-09-02. 177 documented errors.

Code / MessageTypeSeverityTags
Internal error: resolution record for symbol
panic error linker, internal-invariant, wasm-imports, panic
Unhandled inner case
panic error rust, wasm, llvm, simd, conversion, panic
wasix linker bootstrap invariant violated: expected exactly…
panic critical wasix, linker, dynamic-linking, invariant-violation, concurrency
Internal error: more than one synchronized link operation…
panic critical wasix, linker, dynamic-linking, concurrency, invariant-violation
Can't form ExtraInfo with two pending canonicalization
panic error wasmtime, llvm-backend, nan-canonicalization, panic, floating-point
Symbol in DWARF not recognized
panic error wasmtime, singlepass, dwarf, debug-info, panic
internal error: entered unreachable code
panic error wasmtime, llvm-backend, compiler-panic, integer-division, internal-invariant
Internal error: $ORIGIN or
panic error linker, runpath, dlopen, origin, panic
Failed to convert size to offset
panic error wasix, panic, dlopen, memory-offset, guest-memory
The linker state's lock is poisoned
panic critical wasix, linker, lock-poisoned, concurrency, panic
Unsupported libcall
panic error rust, panic, cranelift, libcall, relocation, compiler
duplicate function
panic error wasmtime, llvm-backend, intrinsics, panic, duplicate-function
`wasmer validate` only validates WebAssembly files
validation error wasm, validation, cli, input-format
cloning JavaScript shared memory should not fail
panic error panic, wasm, javascript, memory
Internal error: table base out of sync with linker state
panic error linker, table-base, dylink, internal-invariant, panic
Failed to load newly built in-memory module
panic critical wasix, panic, closures, wasm-validation, dynamic-linking
not yet implemented
panic error exceptions, unwinding, dwarf, wasm
Timeout while downloading response body
exception error network, timeout, http, wasm, wasix
state::get_inode_at_path unknown file type: not file…
panic error wasix, filesystem, windows, unimplemented
The relocation is not yet supported.
panic critical panic, compiler, relocation, cranelift, unsupported-feature
64bit memory not implemented yet
panic error wasm, unimplemented, memory64, translator
Internal error: function table index
panic error linker, function-table, internal-invariant, panic
could not parse YAML for format-preserving edit
exception error rust, yaml, parsing, config
no token provided - run 'wasmer login', specify…
exception error authentication, token, config, cli
journal restore error: failed to remove file
exception error wasix, journal, filesystem, snapshot-restore, errno
only numeric types are supported in function signatures
panic error panic, compiler, wasm, simd, type-section
zstd content-encoding is not supported on wasm32
exception error wasm32, zstd, http, content-encoding, package-loader
Internal error: allocated index
panic error linker, table-allocation, internal-invariant, panic
Internal error: unexpected symbol resolution
panic error linker, symbol-resolution, internal-invariant, panic
custom-descriptors not implemented yet
panic error wasm, unimplemented, custom-descriptors, exports
dwarf relocation size for personality not supported
panic error rust, cranelift, dwarf, unimplemented
state::get_inode_at_path unknown file type: not file…
panic error wasix, filesystem, filetype, unimplemented
could not determine app domain for backend url
exception error config, backend-url, domain, cli
failed to unpack (with parent)
exception error rust, archive, tar, filesystem, unpack
cannot create debug directory
panic error rust, panic, cranelift, filesystem, permissions, debug
app field empty
exception error rust, api, deploy, graphql, null-field
Could not apply request header
exception error http, headers, browser, javascript, wasm
not a `sys` backend!
panic error rust, panic, c-api, engine, config-mismatch
Invalid client config: unknown config version
validation error config, schema-version, deserialization, cli
Not logged into registry
exception error auth, logout, network, graphql
The page is non-empty
panic error panic, graphql, pagination, backend-api
Cannot load reference type
panic critical wasix, panic, closures, wasm, reference-types
Global index must be valid
panic error panic, compiler, wasm, validation, init-expr
Symlinks in wasi::fd_read
panic error wasix, wasi, unimplemented, symlink, panic
not implemented
panic critical rust, unimplemented, trap, stub
Stack size must be 1024-bit aligned
panic error linker, configuration, stack-size, alignment, panic
unsupported location
panic error wasmtime, singlepass, riscv, codegen, panic
Self update is not supported on Windows. Use install…
exception error windows, self-update, platform-unsupported, cli
Invalid job trigger ' '. Must be 'pre-deployment'…
validation error rust, config, validation, cron, parse
Unhandled internal variant
panic critical llvm-backend, wasm-compiler, simd, panic, unreachable
could not decode gz: , could not decode xz
exception error rust, compression, gzip, xz, download
global # is a constant
panic error rust, panic, cranelift, wasm, validation, immutable-global
is world writable and not sticky ( )
exception error filesystem, permissions, security, linux
{e}
exception error cli, filesystem, package-init
{}
exception error cli, filesystem, package-init
failed to determine file type for
exception error rust, filesystem, zip, symlink, deploy
Unable to cast to a
exception error wasm, javascript, type-cast, headers, wasm-bindgen
could not parse YAML semantically
exception error rust, yaml, serde, parsing, config
Internal error: failed to resolve exported function
panic error linker, missing-export, symbol-resolution, panic
The package doesn't contain any executable commands
exception error wasix, webc, entrypoint, packaging
ref.is_null only accepts reference types
panic error rust, unreachable, wasm, reference-types
config from file
exception error auth, configuration, wasmer-toml
The backend does not support the required features for the…
exception error cli, backend, wasm-features, compiler, config
❌ Failed to receive token from localhost
exception error auth, login, localhost, callback
Headless is not a valid runtime to instantiate directly
exception error wasmer, backend, configuration, runtime
Internal error: module
panic error linker, missing-module, internal-invariant, panic
Not logged in registry
exception error cli, authentication, registry
Could not find package with hash
exception error backend-api, not-found, package, webc, registry
env.memory import for Wasm C API module is not a memory
validation error wasm, c-api, imports, memory, type-mismatch
no current dir name
exception error cli, filesystem, package-init
unimplemented operator
panic error rust, panic, c-api, parser, simd, wasm
Can't check permissions of
exception error filesystem, permissions, cli, linux
Internal error: bad in-progress symbol resolution
panic critical panic, dynamic-linking, symbol-resolution, wasix, internal-error
Invalid guest mount path
validation error wasix, mount, path-validation, security, wasi
invalid node type returned
exception error backend-api, graphql, type-mismatch, validation
The argument to --cwd must be an absolute path
validation error cli, wasi, argument-validation, path
The backend did not return any nonce to auth the login!
exception error auth, login, backend-api, network
Unable to determine the wasmer dir
panic error rust, panic, cli, environment, xdg, config
Internal error: failed to resolve function
panic critical panic, dynamic-linking, linker, wasix, internal-error
eh pointer encoding not supported for symbol targets
panic error rust, cranelift, dwarf, eh-frame, unimplemented
Unsupported backend type
exception error wasmer, backend, feature-flags, compile-time
Internal error: missing symbol resolution record for
panic critical panic, dynamic-linking, linker, wasix, internal-error
Unsupported backend kind
panic error rust, panic, c-api, feature-gate, backend
Cannot write non-scalar value as bytes
panic error wasix, syscalls, reference-types, memory, unsupported-feature
Internal error: missing import resolution
panic critical panic, dynamic-linking, link-state, wasix, internal-error
Read-only journal file does not exist
exception error cli, wasi, journal, file-not-found
Unable to determine the package's entrypoint. Please choose…
exception error wasix, webc, entrypoint, ambiguity
must be a valid path string
panic error wasi, path, utf-8, panic, cli
ExternRef is not yet supported in wasm_c_api
panic error wasm, externref, unimplemented, v8, backend-support
Failed to free closure index
panic error wasix, syscalls, closures, double-free, panic
Metering::transform_module_info: Attempting to use a…
panic critical panic, middleware, metering, state-reuse
Cannot pre-open the current directory twice: '--volume=.'…
validation error cli, wasi, filesystem, duplicate-argument
The --use_local_manifest flag was passed, but path
exception error wasmer, cli, manifest, app-create
unsupported Wasm C API import version
validation error wasm, c-api, version-compat, imports
Exception handling is not yet supported in js
panic error javascript, wasm, exceptions, unimplemented
Not logged into registry
exception warning auth, logout, registry, session
state::get_inode_at_path for buffers
panic error wasix, filesystem, unimplemented, buffer
failed to register unwind information
panic error unwind, windows, panic, compiler
unable to make memory readonly and executable
panic critical memory-protection, jit, mprotect, panic, compiler
wasmer_env_set_memory() is not supported
panic error rust, panic, c-api, wasi, deprecated, breaking-change