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A: 1:{i: 120;O: 14:"grade category": 25:{s: 5:"table";s: 16:"grade categories";s: 15:"required fields";a: 14:{i: 0;s: 2:"id";i: 1;s: 8:"courseid";i: 2;s: 6:"parent";i: 3;s: 5:"depth";i: 4;s: 4:"path";i: 5;s: 8:"fullname";i: 6
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