Problem with cat

My htop shows this (see attachment). Any ideas?

Hi,

Looks like the cron job is failing, due to something wrong with dietpi.txt.

Please do the following, paste results:

Kill cat:

killall -w cat

Check status of dietpi.txt:

ls -lha /DietPi/dietpi.txt

View file:

nano /DietPi/dietpi.txt