This setting must be either
Depending on your indices, and how you’ve filtered them, an empty list may be presented to the action. This results in an error condition.
When the ignore_empty_list option is set to
True, the action will exit with an
INFO level log message indicating such. If ignore_empty_list is set to
an ERROR level message will be logged, and Curator will exit with code 1.
The default value of this setting is