To reveal the error message, enable the debug
configuration option.
Either Redis server is unreachable, or the WP_REDIS_CONFIG
constant in the wp-config.php
file is incorrectly configured.
- Is Redis server up and running?
- Is the correct
host
,port
andscheme
set? - Is the
WP_REDIS_CONFIG
defined at the top of thewp-config.php
?
For more information, please read the installation instructions.