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AM335xEVM data verification error

Hi,

I have one question regarding my AM335xEVM.

Now my EVM has an error as the below when debug mode of CCS.

CortxA8: File Loader: Data verification failed at address 0x80000000 Please verify target memory and memory map.
CortxA8: Unable to terminate memory download: NULL buffer pointer at 0x3a9f
CortxA8: GEL: File: C:\ti\AM335X_StarterWare_02_00_01_01\binary\armv7a\cgt_ccs\am335x\evmAM335x\gpio_backlight\Debug\gpioLCDBacklight.out: a data verification error occurred, file load failed.

This EVM worked fine with XDS100 emulator until yesterday. Emulator connection test is passed. And I can connect emulator to target. Also all test of gel file are passed. But I can't download the code to the memory.

What wsas happened? Please advise me.

Best regards,

Michi