7 Severe errors that lead the execution to abort immediately.
9 This level should be enabled in production.
13 Errors that might still allow the execution to continue.
15 Usually, once one or more errors are reported at this level, the
16 application, plugin, or library won't perform any more useful task, but
17 it should still exit cleanly.
19 This level should be enabled in production.
24 Unexpected situations which still allow the execution to continue.
26 This level should be enabled in production.
30 Informational messages that highlight progress or important states
31 of the application, plugins, or library.
33 This level can be enabled in production.
37 Debugging information, with a higher level of details than the
40 This level should :not: be enabled in production.
44 Low-level debugging context information.
46 This level should :not: be enabled in production.