Here is a "gift copy" of an article from the New York Times describing AI hallucinations, and what causes them. "Gift copy" means it goes around the paywall.
When A.I. Chatbots Hallucinate https://www.nytimes.com/2023/05/01/business/ai-chatbots-hallucinatation.html?unlocked_article_code=0Rsbr9hefoGwD7XwW3nQbJc_0Fd4_wF1y0g5Lz9xOTZa7F48LPb00laVUChLDgQhW00qzL2x04Q677g59knH0Vscp_Y8oNbeyUNg8o3J7Rft17V5H-5iXG6sTXoetr4Z4oMtjEodqr1uvUMftppZ8JlRxFJQdPflD1rSD939FTTEyDqlSOZADcz6HdKSb5-hDSyfjSxh1prYWpxpVBZFWUOOjLuhdkDCvO9RHWIwLXFWh2OitlfH6_MaCqw-lOUrfAwY0gyEr2OkkjAW4ZzsDOQocdFq0CrAKBLmZaIOUXHbJDtBWhbmF_jwohBRLFEdhyDOlmLC7OCmDJ7bB7-wuyWH7Gl6&smid=url-share