I try to use USB CDC-ACM Virtual COM Port example, but getting this:

I (343) VCP example: Installing CDC-ACM driver
I (343) VCP example: Opening any VCP device...
I (5743) VCP example: Failed to open VCP device
I (5743) VCP example: Opening any VCP device...

So I searched more information and it ...

Hi,
I am also having error in usb_host_transfer_submit if I send data to BULK OUT endpoint.
Error "ESP_ERR_NOT_FOUND"
Have you found solution?

I have problem with sending data to cp210x via USB.
I am able to read from control baudrate value, but is I send Bulk data to endpoint I am getting error 0x105."ESP_ERR_NOT_FOUND"
Does anybodu knows what does this error mean?

*** Device descriptor ***
bLength 18
bDescriptorType 1
bcdUSB 1.10 ...