Error message: mwifiex_sdio CMD_RESP: cmd 0x23f error, result=0x2

Hi,

I am running Marvell firmware sd8801_uapsta.bin on imx6 kernel 4.19,
but I have following error message, could anyone explain that is the
error about?

mwifiex_sdio mmc0:0001:1: CMD_RESP: cmd 0x23f error, result=0x2

Thank you.

- jh