Best I can tell, this story is as follows.
On June 8, 2022, the President of Uganda, Yoweri Museveni, gave the annual State-of-the-Nation address. In it, after talking for an hour about things like chicken feed, coffee production, solar-powered water pumps, etc., he said that his ministry of minerals told him the nation has a lot of gold -- "320 million tonnes of gold, confirmed. Worth 12 point something trillion dollars".
https://youtu.be/HcywijLXwQw?t=4167Reuters says it checked with Solomon Muyita, spokesperson for the Ministry of Energy and Mineral Development, who said they discovered 31 million tonnes of ore. And that "Muyita said an estimated 320,158 tonnes of refined gold could be extracted from the 31 million tonnes of ore."
https://www.reuters.com/article/uganda-gold-idUSKBN2NP17MA realistic estimate would be more like 155 tonnes (5 g per tonne of ore).
Either they found 45 trillion tonnes of ore (seems unlikely), or they are estimating 2000 times the yield of normal gold mining.
I remain skeptical.