Got payment saying exploiting limits?

[Calo]

If you are unaware of what this structure is then most likely someone else in your faction were the one to cause this.

There are limitations for vessels/bases depending on playfield and you(your faction) exceeded this limit and got charged for it.

The limit info can be found in more detail here:

4. Limits & Restrictions

1. Structure Limits Introduction: HWS has structure limits to grant a smooth game experience for thousands of players and to fix some gameplay-related problems not yet addressed. 1.1 Blueprint spawn restriction on HWS Globally Class 7 for your F2 Blueprint Factory. HWS RE: Globally Class 50 for your F2 Blueprint Factory. There is also the Federation Origin bonus of +1 Class for Bases on their HQ planet. (Click here to use the Empyrion Class Calculator to determine the class size of…