It looks like this warning is caused by wp-super-cache.
When I inititate a cache preload I can see these warnings in the php log.
I will see what I can find with wp-super-cache debig enabled.
It looks like this warning is caused by wp-super-cache.
When I inititate a cache preload I can see these warnings in the php log.
I will see what I can find with wp-super-cache debig enabled.