need to cancel a pending world claim

Aug 1, 2019
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today i tried to claim a plane but just realized it was much too big for my purpose, just need to have the request canceled, the planet claim info is:

Racing track
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System Cordinate: CelestialWorld:5087593:358975460:-22547563:11
Navigator Cordinate: x: 5087593, y: 358975460, planet: I