---
title: E39002 Inner_Error_Driver_API_Call_Failed
description: "Failed to obtain the number of devices and the device list."
url: https://www.hiascend.com/document/detail/zh/canncommercial/latest/maintenref/troubleshooting/atlaserrorcode_15_0134.html
sourcePath: /source/zh/canncommercial/900/maintenref/troubleshooting/atlaserrorcode_15_0134.html
indexId: b60631ca780735ad67055696f5ce317559e99c0ba95797dd2079a4c92403078c84
---
# E39002 Inner_Error_Driver_API_Call_Failed

#### Symptom

Failed to obtain the number of devices and the device list.


#### Possible Cause

Failed to obtain device information from the device driver.


#### Solution

Obtain the device log and contact technical support at https://www.hiascend.com/support.