Mics 6814

Hi, I bought this sensor (MICS6814 3-in-1 Gas Sensor Breakout (CO, NO2, NH3) - Pimoroni) and I am trying to use the available Arduino library (GitHub - eNBeWe/MiCS6814-I2C-Library: Arduino library for my I2Ccontroller board for a MiCS-6814 based gas sensor as well as the Grove Multichannel Gas Sensor.). I tryed to run the calibrate code and then the code for reading values but I am getting -1 for all the values. I only connected it to my board thorugh Vcc, Grnd, SCL and SDA.
How can I try to solve this problem?

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I have same issue, unfortunatelly this library does not work.