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# CMTagError

Core media tagging errors reported by the framework.

```
enum CMTagError : OSStatus;
```

## Topics

### Tag Error Codes

[`kCMTagError_AllocationFailed`](/documentation/CoreMedia/CMTagError/kCMTagError_AllocationFailed)

An error where the system can’t allocate enough memory for the tag.

[`kCMTagError_ParamErr`](/documentation/CoreMedia/CMTagError/kCMTagError_ParamErr)

An error where input or output parameters didn’t match the requirements of Core Media.


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