Apart from the `errorCode` and `errorMessage` Bitmovin Analytics provides additional `errorData` on a per session level.

Using the [Top Errors View](🔗) in the Bitmovin Analytics dashboard, customers can look at associated sessions for each error. The `load more` button on the bottom extends the number of session per error.

Digging deeper into a specific session leads to the `Session Detail View` which provides insights into what exactly happened during a viewer session and, in error cases, provides additional `errorData`. However the data shown in the `errorData` field, differs across different platforms.

## Android

On Android we are able to retrieve the head of the stack trace and display this information in the `errorData` field.

 _Error details with stack trace on Android_

## iOS

iOS provides a localized error message which is sent along with the error.

 _Error Details with localized error message on iOS_

## Web

Web collectors may set any text or object as `errorData`.

 _Error Details with event object on web_

 _Error Details with unavailable data (e.g. old analytics version, unsupported platform, no additional information from the player)_

## Platform support

(1) only for bitmovin v8 player (2) only for AVPlayer