---
title: rpcVersionMismatch
framework: system
role: symbol
role_heading: Type Property
path: system/errno/rpcversionmismatch
---

# rpcVersionMismatch

The version of the remote procedure call (RPC) is incorrect.

## Declaration

```swift
static var rpcVersionMismatch: Errno { get }
```

## Mentioned in

Adopting Swift Error Constants

## Discussion

Discussion The version of RPC on the remote peer isn’t compatible with the local version. The corresponding C error is ERPCMISMATCH.

## See Also

### RPC Errors

- [rpcProcedureUnavailable](system/errno/rpcprocedureunavailable.md)
- [rpcProgramUnavailable](system/errno/rpcprogramunavailable.md)
- [rpcProgramVersionMismatch](system/errno/rpcprogramversionmismatch.md)
- [rpcUnsuccessful](system/errno/rpcunsuccessful.md)