A 1099C -Debt Cancellation is received If your debt is cancelled or forgiven. You have to report in your taxes.
Code G mean - Decision or policy to discontinue collection
See the below IRS link for additional information.
https://www.irs.gov/forms-pubs/about-publication-4681
See the below answer to FAQ on how to enter your 1099-C
https://ttlc.intuit.com/replies/5107826
