Keil uVision. Signal Function

Hello. I had a problem. In (Keil uVision 4), I tried to create signal function, but there were problems. how to solve them?
PS use the debug board (STM32F4DISCOVERY)

Image problems:
yadi.sk/.../djWB_-ZlkkMfj
yadi.sk/.../9v5JQGFMkkMjK

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