# query.FilterExpressionErrorKind

- **Module:** query
- **Package:** libtmux
- **Language:** Rust
- **Kind:** enum
- **Source:** https://github.com/libtmux/libtmux-rs/blob/8a648c0894dfffc9303583f753b6c8ae01f2fe76/crates/libtmux/src/query.rs#L596
- **Page:** https://libtmux.org/reference/rs/query-filterexpressionerrorkind/

## Members

- `InvalidRegex` (constant) — A regular expression did not compile under the version 1 dialect.
- `UnsupportedVersion` (constant) — The serialized expression schema version is unsupported.
- `InvalidTarget` (constant) — The expression target does not match the requested candidate type.
- `UnknownField` (constant) — The candidate schema has no field with the requested stable name.
- `UnknownOperator` (constant) — The field type does not support the requested operator.
- `UnknownQuantifier` (constant) — A relation does not support the requested quantifier.
- `InvalidLiteral` (constant) — A literal cannot be represented by the field type.
- `ComplexityLimit` (constant) — The serialized expression exceeds a fixed decoder budget.
- `InvalidStructure` (constant) — The expression tree has an invalid shape.