When I try to write a .SOF file with the Quartus II Programmer, I get the following error and cannot write the .SOF file. Error : Application nios2-terminal on 127.0.0.1 is using the target device Error : Operation failed
<Error message>
Error : Application nios2-terminal on 127.0.0.1 is using the target device
Error: Operation failed
During program execution in the Nios II IDE, the Nios II IDE occupies the JTAG port.
Attempting to write a SOF file from the Quartus II Programmer without stopping the program will result in an error.
Right-click on the Debug Window of the Nios II IDE ⇒ Terminate & Remove to stop the program and disconnect.
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