# Events

**Events** are system notifications that require your attention or action.

{% hint style="info" %}
Some actions can only be performed by users with the *Owner* and *Admin* roles.
{% endhint %}

## Event list

On this page, you can find a list of all events logged in the system. The number of new notifications is displayed on the counter near the **Events** menu item.

The following information is provided about each event:

**ID**

The unique system identifier of an event.

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**Created**

The date and time when an event was logged in the system.

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**Updated**

The date and time when an event was last updated.

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**Type**

The event type. Refer to the **Event types** section below for details.

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**Operation ID**

For events related to deposits or payouts, this is the unique operation identifier in the system. This is a link to deposit or payout details.

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**Action**

The action button(s) applicable for this event type.

## Event types

In the table below, you can find descriptions of all system events.

<table><thead><tr><th width="209">Event type</th><th width="119">Wallet type</th><th>Description</th><th>Actions</th></tr></thead><tbody><tr><td>Callback</td><td><code>E</code>, <code>M</code></td><td>A <a data-footnote-ref href="#user-content-fn-1">callback</a> hasn’t been sent by the system due to some technical reasons.</td><td>Click the <strong>Resend</strong> button to send the callback.</td></tr><tr><td>Payout approve</td><td><code>E</code>, <code>M</code></td><td>A payout was created by a user with the <em>Withdrawals with approval</em> role.</td><td>Approve or cancel the payout.</td></tr><tr><td>Overpaid deposit</td><td><code>M</code></td><td>A deposit with the indicated amount got overpaid.</td><td>Refer to <a href="../../troubleshooting/unresolved-deposits">Unresolved deposits</a> for details.</td></tr><tr><td>Transfer to expired deposit</td><td><code>M</code></td><td>Funds were sent to an expired deposit.</td><td>Refer to <a href="../../troubleshooting/unresolved-deposits">Unresolved deposits</a> for details.</td></tr><tr><td>Insufficient funds on parent wallet</td><td><code>E</code></td><td>Not enough funds on a <a data-footnote-ref href="#user-content-fn-2">parent wallet</a> for accepting tokens to your wallet address.</td><td>Top up the parent wallet and then click the <strong>Retry</strong> button. Refer to <a href="../../troubleshooting/unconfirmed-transfers">Unconfirmed transfers</a> for details.</td></tr><tr><td>Insufficient funds for payment for a custom token</td><td><code>E</code></td><td>Not enough funds on a <a data-footnote-ref href="#user-content-fn-2">parent wallet</a> to pay a monthly fee for your <a data-footnote-ref href="#user-content-fn-3">custom token</a>.</td><td>Top up the parent wallet and then click the <strong>Retry</strong> button.</td></tr><tr><td>Transfer amount is less than required minimum</td><td><code>E</code>, <code>M</code></td><td>A transfer received with the amount less than <strong>Minimum transfer amount</strong> set for the wallet.</td><td>Refer to <a href="../../troubleshooting/canceled-transfers">Canceled transfers</a> for details.</td></tr><tr><td>Duplicated blockchain deposit</td><td><code>E</code>, <code>M</code></td><td>A deposit was created in a specific currency and subsequently paid in a different currency, resulting in its duplication on another blockchain. This duplicated deposit lacks the Tracking ID and Callback URL from the original deposit.</td><td>Click the <strong>Edit data</strong> button to add the Tracking ID and Callback URL to the duplicated deposit.</td></tr></tbody></table>

[^1]: A notification sent to a user’s callback URL when a new transaction occurs on the blockchain.

    For more information, see [#callback](https://docs.b2binpay.com/references/key-terms#callback "mention")

[^2]: Enterprise wallet to which a token wallet is linked.

    For more details, see [#parent-wallet](https://docs.b2binpay.com/references/key-terms#parent-wallet "mention")

[^3]: A user-created token in certain blockchains.

    For more details, see [#custom-token](https://docs.b2binpay.com/references/key-terms#custom-token "mention")