Going concern
Also called going-concern doubt, going-concern paragraph.
The assumption that a company will keep operating. “Going-concern doubt” means management or the auditor doubts it can for about the next year.
Financial statements are prepared on the presumption that the company will continue as a going concern. Each annual and interim period, management must evaluate whether there is substantial doubt about that within one year after the statements are issued. Source 1
The auditor makes its own evaluation, over a period of up to one year beyond the date of the financial statements, and adds an explanatory paragraph to its report if substantial doubt remains. Source 2
It isn't a prediction. The auditing standard says auditors aren't responsible for predicting future events, and a report without the paragraph isn't an assurance either. See Going-concern language. Source 2