I'm on version 1.12.2. When I do testfor @p[r=2], it spams the console with this.
When it spams the console like this, I cannot use it:

enter image description here


Solution 1:

There's not much you can do against that, except:

  • updating to 1.15.2, where /execute does not print anything when there is no matching entity (but be aware of an item deletion bug, a chunk loading bug and the absence of customised worlds)
  • turning off all command feedback, even successes and other errors: /gamerule commandBlockOutput false