router os winbox error

at file uploading in File list section, speed downs and routerOS go to erorr with “Couldn’t upload file - write filed(6)”

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lol, wtf.. and how I must make downgrade in this stpd situation? downgrade each package?)
I can’t downgrade only ppp? Why? how remove this bugged version and load my old revision?

solved. must be smips downloaded instead mibpse