# go: writing go.sum: no space left on device

- **ID:** `go/insufficient-disk-space`
- **Domain:** go
- **Category:** io_error
- **Verification:** ai_generated
- **Fix Rate:** 80%

## Root Cause

The disk is full, preventing Go from writing module cache or go.sum files.

## Version Compatibility

| Version | Status | Introduced | Deprecated |
|---------|--------|------------|------------|
| 1.16 | active | — | — |
| 1.23 | active | — | — |

## Workarounds

1. **** (80% success)
   ```
   go clean -modcache
   ```
2. **** (70% success)
   ```
   Use 'df -h' to identify large files and delete them
   ```

## Dead Ends

- **** — May delete important files or not free enough space for the module cache. (40% fail)
- **** — If the new location is also full, the error persists. (50% fail)