The provided web search results do not contain information regarding an emergency alert error in Denver occurring on a Saturday, nor do they mention it being the second such error in the past year. The search results are largely irrelevant to the claim's specifics (WHO, recipe ideas, etc.). Therefore, corroboration for the core details of the claim cannot be established from the provided evidence.

One web search result mentions Dameron reaching out to the vendor, Everbridge, to figure out how the faulty configuration occurred, which relates to a past issue. However, none of the provided evidence explicitly confirms that a 'similar instance occurred in January' or that Dameron attributed it specifically to a 'vendor issue' in that month. The evidence is insufficient to corroborate the full claim.

The provided web search results discuss 'Human Error' and 'Technical Issue' as general concepts regarding root causes, but they do not link these possibilities specifically to the 'Saturday alert error' in Denver, nor do they confirm that the cause is still under investigation in the context of the provided evidence set.

The web search results provided for this claim are entirely about breakfast recipes using biscuits and do not mention Stacey Hervey, MSU, or the importance of emergency alerts. Therefore, the evidence provided does not support this claim.

One web search result mentions Andrew Dameron providing an overview to the Board, but none of the provided evidence confirms the specific timeline that 'answers regarding the alert malfunction would be available by the end of Monday.' This detail is not corroborated.