warning: 'packed' attribute ignored

[vangalvin]

I am trying to run this on a UM FeatherS2. during compile im getting the following error message

In file included from C:\Users\vanga\Documents\Arduino\libraries\Arduino-INA3221\Beastdevices_INA3221.cpp:29:
C:\Users\vanga\Documents\Arduino\libraries\Arduino-INA3221\Beastdevices_INA3221.h:112:40: warning: 'packed' attribute ignored [-Wattributes]
     } conf_reg_t __attribute__((packed));
                                        ^
C:\Users\vanga\Documents\Arduino\libraries\Arduino-INA3221\Beastdevices_INA3221.h:132:42: warning: 'packed' attribute ignored [-Wattributes]
     } masken_reg_t __attribute__((packed));
                                          ^

Any sugestions how to correct this?