# PlayerPrefsException

> An exception thrown by the PlayerPrefs class in a web player build.

## Definition

* **Type:** Class
* **Namespace:** [UnityEngine](/engine/6000.7/script-reference/unityengine.md)
* **Assembly:** UnityEngine.CoreModule
* **Inherits from:** [Exception](https://learn.microsoft.com/dotnet/api/system.exception)
* **Implements:** [ISerializable](https://learn.microsoft.com/dotnet/api/system.runtime.serialization.iserializable)

```csharp
public class PlayerPrefsException : Exception, ISerializable
```

## Remarks

The exception is thrown when writing to a preference file exceeds the allotted storage space.  This exception is not thrown on other platforms.

```csharp
using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour
{
    void Start()
    {
        // create a one megabyte character string
        string s16 = "0123456789abcdef";
        string s1024 = "";
        for (int j = 0; j < 64; j++)
            s1024 += s16;
        string s1024x1024 = "";
        for (int i  = 0; i < 1024; i++)
            s1024x1024 += s1024;

        // try to save the string
        try
        {
            PlayerPrefs.SetString("fail", s1024x1024);
        }
        // handle the error
        catch (System.Exception err)
        {
            Debug.Log("Got: " + err);
        }
    }
}
```

Note that web player is not supported from 5.4.0 onwards.

## Inheritance

**Inherited Members:**

* [Exception.GetBaseException()](https://learn.microsoft.com/dotnet/api/system.exception.getbaseexception)
* [Exception.GetObjectData(SerializationInfo, StreamingContext)](https://learn.microsoft.com/dotnet/api/system.exception.getobjectdata)
* [Exception.ToString()](https://learn.microsoft.com/dotnet/api/system.exception.tostring)
* [Exception.GetType()](https://learn.microsoft.com/dotnet/api/system.exception.gettype)
* [Exception.TargetSite()](https://learn.microsoft.com/dotnet/api/system.exception.targetsite)
* [Exception.Message()](https://learn.microsoft.com/dotnet/api/system.exception.message)
* [Exception.Data()](https://learn.microsoft.com/dotnet/api/system.exception.data)
* [Exception.InnerException()](https://learn.microsoft.com/dotnet/api/system.exception.innerexception)
* [Exception.HelpLink()](https://learn.microsoft.com/dotnet/api/system.exception.helplink)
* [Exception.Source()](https://learn.microsoft.com/dotnet/api/system.exception.source)
* [Exception.HResult()](https://learn.microsoft.com/dotnet/api/system.exception.hresult)
* [Exception.StackTrace()](https://learn.microsoft.com/dotnet/api/system.exception.stacktrace)
* [Exception.SerializeObjectState()](https://learn.microsoft.com/dotnet/api/system.exception.serializeobjectstate)