CCS/TMS570LC4357: Flash initiliaze fault in the TMS570LC4357

Part Number: TMS570LC4357

Tool/software: Code Composer Studio

Hello sir

I am using the TMDX570LC43HDK board, the CPU is TMS570LC4357.

I want to use the internal Flash, so I use the F021 library.

The first  I only use the function 

/* Initialize flash bank for API operations */
oReturnCheck = Fapi_initializeFlashBanks(150);

but it return the fault " Fapi_Error_OtpChecksumMismatch,  /* Returned if OTP checksum does not match expected value */"

I don't know which can cause it ?