# plan.PlanValidationErrorKind.SourceNotEarlier

- **Module:** plan.PlanValidationErrorKind
- **Package:** libtmux
- **Language:** Rust
- **Kind:** constant
- **Source:** https://github.com/libtmux/libtmux-rs/blob/f0e37052c232636b61d095817046e6bfc8f2ca40/crates/libtmux/src/plan.rs#L124
- **Page:** https://libtmux.org/en/rs/latest/reference/plan-planvalidationerrorkind-sourcenotearlier/

The source is the same step or a later one.