Read Cert Diag Error 1 J727T1??

Ive been getting this error when trying to read the cert

Operation: Read CERT DIAG
Selected model: SM-J727A
Software version: 33.8

Searching Samsung modem... detected COM4
Reading phone info...
Model: SM-J727T1
AP version: J727T1UVS3ARE1
CSC version: J727T1TMK3ARE1
CP version: J727T1UVS3ARE1
Product code: TMK
Phone SN: R28K808PZ5R
IMEI: 357847095339399
Unique number: C00004DD1110755
Incorrect model selected. This may damage your phone. Continue? Yes
Searching Samsung diag port... detected COM3
Reading phone info... OK
CP version: J727T1UVS3ARE1
CP build: May 3 2018 14:07:35
Reading data from phone... error (1)
Done with Samsung Tool PRO v.33.8

I've enable debugging and changed DM