You may need to increase the memory available...

[yubiuser]

Did you increase the php memory limit already?

Querying long term data failed due to limited allowed memory for PHP resulting in "An unknown error occurred with loading the data"

I encounter the same issue. Using the long-term database to query 30 days results in "An unknown error occurred with loading the data" and (mod_fastcgi.c.421) FastCGI-stderr: PHP Fatal error: Allowed memory size of 134217728 bytes exhausted (tried to allocate 16777224 bytes) in /var/www/html/admin/api_db.php on line 148 in /var/log/lightttp/error.log I'm running vanilla armbian on NanoPi Neo Plus 2 (1GB RAM, 128M were allowed for php) with only Pihole installed and running. I have a small s…