Which troubleshooting message indicates that a certain configuration is missing?

The message "Configuration Not Found" directly indicates that a specific configuration is missing from the system. This phrasing clearly communicates the absence of necessary settings or parameters required for the proper operation of the system or application. It directly points out that while processing or performing a task, the system could not locate the expected configuration files or settings, which is critical for functionality.

The other messages, although they indicate various issues, do not specifically imply a missing configuration. For example, "Configuration Error" suggests that a configuration exists but contains an error. "No audio" relates to an issue with sound output, which could stem from various factors unrelated to configuration files. "Internet/network connection" points to connectivity issues, which also do not suggest any absence of configuration but rather problems in connectivity itself. Thus, "Configuration Not Found" is the most precise in communicating that a necessary configuration is missing and needs to be addressed.