Device Dell G15 5515 Ryzen Edition 

When running the BIOS update found on Dells website for my Service Tag I receive an error "ESP disk space not enough"

I have included screenshots to also show notes of a version issue or mismatch 

information on my device 

Volume partitions:

Device Manager showing System Version with an error 

System firmware versions on  my hardware Insyde flash tool upon running  Dell_G15_5515_1.20.0.exe

Note the current version displayed is

finally the error