S337tl failed to read cert

Searching Samsung modem... detected COM5
Reading phone info... OK
Model: SM-S337TL
AP version: S337TLUDU2AQG2
CSC version: S337TLTFN2AQG2
CP version: S337TLUDU2AQG2
Product code: TFN
Phone SN: R28J71N58ZZ
Unique number: CQ3003C28E06664
Searching Samsung diag port... detected COM4
Reading phone info... OK
CP version: S337TLUDU2AQG2
CP build: Jul 28 2017 22:54:08
Reading data from phone... OK
Calculating... error
Security damaged (hmac mismatch)
HWID: 7FDBD70E2B19645E0DBCC9D30A0000000A0000000000000000 00000000000000 03051001

I WAS ABLE TO READ CERT FOR SAME SECURITY BUT NOW FAIL
WHAT IS THE ISSUE ?