no input

Hello, I am trying to set up REW on my PC with a UMIK-1 and I am getting an error stating 'the soundcard did not provide any input data from microphone' when I try to use the SPL meter to calibrate the level according to the setup instructions on the mini dsp website. After a few seconds I get...

Hey, I'm using Focusrite Saffire 24 DSP Pro. I was trying to calibrate the EQ Romm Wizard, but when I follow the instruction, the software doesn't see any input (screenshot below). Normally when I play using the same inputs, they work as they should inside my DAW, but the EQ Room Wizard...