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questions about the blinking LED demo for ADICUP 3029

Dear Analog,

I'm a fresh man to use the ADICUP 3029 board.  Now I'm learning how to use this board by practising some demo programs like the Blinking LED demo.

However, after I import the example program from the pack manager, I have some problems after "building". As the attached figure shows,


It always shows an error in RTE. Please tell me how to address it. Many thanks.