---
title: kMPInvalidIDErr
framework: coreservices
role: symbol
role_heading: Global Variable
path: coreservices/kmpinvalididerr
---

# kMPInvalidIDErr

Invalid ID value. For example, an invalid message queue ID was passed to MPNotifyQueue.

## Declaration

```swift
var kMPInvalidIDErr: Int { get }
```

## See Also

### Result Codes

- [kMPIterationEndErr](coreservices/kmpiterationenderr.md)
- [kMPPrivilegedErr](coreservices/kmpprivilegederr.md)
- [kMPProcessCreatedErr](coreservices/kmpprocesscreatederr.md)
- [kMPProcessTerminatedErr](coreservices/kmpprocessterminatederr.md)
- [kMPTaskCreatedErr](coreservices/kmptaskcreatederr.md)
- [kMPTaskBlockedErr](coreservices/kmptaskblockederr.md)
- [kMPTaskStoppedErr](coreservices/kmptaskstoppederr.md)
- [kMPDeletedErr](coreservices/kmpdeletederr.md)
- [kMPTimeoutErr](coreservices/kmptimeouterr.md)
- [kMPInsufficientResourcesErr](coreservices/kmpinsufficientresourceserr.md)