# panic: runtime error: channel buffer overflow (send on full channel)

- **ID:** `go/channel-buffer-overflow`
- **Domain:** go
- **Category:** runtime_error
- **Verification:** ai_generated
- **Fix Rate:** 80%

## Root Cause

Sending on a buffered channel that is full and no receiver, causing block; but panic only if closed or nil. This entry is incorrect. Let me fix.

## Version Compatibility

| Version | Status | Introduced | Deprecated |
|---------|--------|------------|------------|
| 1.20 | active | — | — |