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Programming an IAR generated hex file fails

Hi,

I run a custom board with an nrf51822. If I program the device in the IAR IDE everything works fine but I cannot program the generated hexfile with nRFgo Studio or nrfjprog.

Using nrfjprog I read this in the log file after a number of successful operations:

FUNCTION: write. Invalid buffer length provided, it must be a multiple of 4.

I have nrfjprog version 7.5.0. Log file attached. log.log

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