---
title: I'm having trouble recording data on device memory - an error keeps popping up in mbt software
description: "When there's an issue writing files on device memory, our software will give you a notification specific to the issue. This can be: If you get the last error, try the following: Connect PROX device to"
---

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# I'm having trouble recording data on device memory - an error keeps popping up in mbt software

When there's an issue writing files on device memory, our software will give you a notification specific to the issue. This can be:

- *Filename already exists*
- *Filename too long*
- Generic output *"Error creating file on device"*

If you get the last error, try the following: Connect PROX device to PC / read SD card from Smarting PRO. Transfer all files to your PC and make sure they are saved properly. Format device memory/SD card to `exFAT` format as seen below:

![](https://support.mbraintrain.com/hs-fs/hubfs/SLIKA17-png.png?width=243&height=448&name=SLIKA17-png.png)You can leave the file storage name as is. 

Formatting device storage will erase all files! Make sure to transfer all of them before.

 

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