The study compared all forecasts made by the Social Security Administration over the 80-year history of the program with its actual outcome, and found that its forecasts of the health of Social Security trust funds have become increasingly biased since 2000. Current forecasts are likely off by billions of dollars, and the program could be insolvent earlier than expected unless legislators act, the study found.
No statement of when that might be, but it's not soon, and, as the essay later states, now that these problems are better known, proper fixes are more likely.