ErrLookup › dmtrKovalenko/fff
dmtrKovalenko/fff
The fastest and the most accurate file search SDK for AI agents, Neovim, Rust, C, Python, Bun and NodeJS · Rust · 141 source files
Analyzed at 7f8537e70f on 2026-09-10. 51 documented errors.
| Code / Message | Type | Severity | Tags |
|---|---|---|---|
| fff_search returned null search result | error_code | error | node, ffi, null-handle |
| opts.base_path is null or empty | error_code | error | ffi, rust, configuration |
| unknown option | exception | error | config, validation, json, typo |
| FFF picker factory is not initialized | exception | error | lifecycle, initialization, null-state |
| fff_search_directories returned null search result | error_code | error | ffi, native, null-pointer |
| fff native library not found. Run `npx @ff-labs/fff-node… | exception | critical | native-library, ffi, bun, installation, missing-binary |
| Failed to create FFF file picker for | exception | error | file-picker, initialization, invalid-path, ffi, pi-fff |
| scan progress returned null | error_code | error | ffi, native, scan-progress |
| watch callback has been closed | validation | error | ffi, bun, callback, lifecycle |
| FFI returned null pointer | error_code | critical | ffi, null-pointer, bun, abi-mismatch |
| fff_search_mixed returned null search result | error_code | error | ffi, native, null-pointer |
| watch callback must be a function | validation | error | validation, watch, callback |
| Unsupported FffWatchOptions version | error_code | error | ffi, versioning, abi-compatibility, validation |
| Failed to acquire frecency lock | error_code | error | rust, concurrency, lock, ffi |
| ignore_count > 0 but ignore is NULL | error_code | error | ffi, null-pointer, watch, validation |
| Git repository: not found (fff-mcp will still work, but… | console | warning | git, mcp, healthcheck |
| not valid JSON ( ) | exception | error | config, json, parse |
| Failed to init file picker | error_code | critical | ffi, initialization, file-picker, rust |
| patterns array must have at least 1 element | validation | error | validation, bun, ffi |
| Unsupported FffCreateOptions version | error_code | error | ffi, abi, versioning, rust |
| FFF auxiliary finder pool is not initialized | exception | error | lifecycle, initialization, null-state |
| No npm package available for platform | exception | error | platform, npm, unsupported-platform, installation |
| Path constraint must be relative to the workspace | validation | error | path, validation, node |
| Failed to canonicalize path | error_code | warning | ffi, filesystem, path, validation |
| grepResult.error | exception | error | grep, regex, native |
| FileFinder instance has been destroyed. | validation | error | lifecycle, use-after-destroy, typescript, null-pointer |
| Unsupported platform | exception | error | platform, unsupported-platform, bun |
| Failed to get historical query | error_code | warning | ffi, database, lmdb, read-failed |
| Query is null or invalid UTF-8 | error_code | error | ffi, utf-8, null-pointer, validation |
| Failed to serialize health check | error_code | info | ffi, serde, json, serialization |
| Failed to init query tracker db | error_code | error | lmdb, database, rust, file-io |
| Failed to acquire query tracker lock | error_code | error | rust, concurrency, lock, ffi |
| Failed to init tracing | error_code | error | logging, ffi, rust, file-io |
| expected a JSON object | exception | error | config, json, validation |
| Failed to acquire file picker lock | error_code | error | ffi, concurrency, lock-poisoned, rust |
| grep returned null result | error_code | error | node, ffi, null-handle |
| fff_create_instance_with returned null handle | error_code | error | node, ffi, null-handle |
| File picker not initialized. Call fff_create_instance first. | error_code | error | ffi, initialization, lifecycle, null-pointer |
| ignore entry is NULL or invalid UTF-8 | error_code | error | ffi, utf-8, watch, encoding |
| Instance handle is null. Create one with… | error_code | error | ffi, rust, c, null-pointer |
| No watch callback registered. Call fff_set_watch_callback… | error_code | error | ffi, watch, callback, initialization-order |
| Unsupported architecture | exception | error | architecture, unsupported-platform, bun |
| Unknown error | error_code | error | node, ffi, unknown-error |
| Could not read pi-fff config at | exception | error | config, file-read, permissions, filesystem |
| opts is null | error_code | error | ffi, rust, null-pointer |
| searchResult.error | exception | error | find, index, native |
| Pattern is not valid UTF-8 | error_code | error | ffi, utf-8, watch, encoding |
| Failed to track query | error_code | warning | ffi, database, lmdb, write-failed |
| Failed to init frecency db | error_code | error | lmdb, database, rust, file-io |
| File path is null or invalid UTF-8 | error_code | error | ffi, utf-8, null-pointer, validation |
| Operation aborted | exception | warning | abort, cancellation, async |