# FAQ's

### **Why is it stuck in 'Waiting for transaction signature'?**

![](/files/e1EYD03VjrKy5Gn81uDd)

This could be due to many reasons:

* **Insufficient balance**: Make sure you have enough CSPR to pay for gas fees (around 3CSPR to 5CSPR)
* **Casper Signer**: If you are using Casper Signer, make sure the extension is active and is working. Try refreshing the page and/or restarting the browser and trying again.

### **What does User error: 65533 mean?**

![](/files/OBOU5oKx55ysTxT5BtbY)

The smart contract has not been approved to spend your tokens. Make sure you approve the smart contract first.

### **The Transaction Link Says Not Found**

![](/files/s2iaJDMPY6fJK8NkmOHo)

You need to wait for the transaction to be picked up by the nodes and included in the blockchain. This usually takes around 30 secs.


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.friendly.market/products/nft-marketplace/faqs.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.