Recieved ads for the last 2 months but my estimate rewards are 0

Have been receiving ads for the last 2 months but my estimate rewards are 0 and even though the 7 day add history shows all the ads received. rewards for december are 0 and estimate for feb is also 0

Version 1.14.84 Chromium: 85.0.4183.121 (Official Build) (64-bit)