# FAQ's

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

![](https://1643455207-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MlAn5TL9-pSJxG2MRaf%2Fuploads%2FLr0SqnPaiswuZUUJXA0V%2Fimage.png?alt=media\&token=a9347d2a-c93d-45d8-a818-4a524377bc09)

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?**

![](https://1643455207-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MlAn5TL9-pSJxG2MRaf%2Fuploads%2F0fgV2S3KuexdrQs3RqvC%2Fimage.png?alt=media\&token=6968cd6a-f729-48db-bcae-969882a69331)

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**

![](https://1643455207-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MlAn5TL9-pSJxG2MRaf%2Fuploads%2F1dwFzWVF6ocSofKyU23d%2Fimage.png?alt=media\&token=bb178ece-3ec5-4720-9f2b-b0959891c465)

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.