ExpressionAlreadyRegisteredError

{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "ExpressionAlreadyRegisteredError",
  "allOf": [
    {
      "type": "object",
      "additionalProperties": false,
      "properties": {
        "type": {
          "type": "string",
          "description": "Type of an error, `Expression_already_registered` - an operation tried to register\nan already existing global constant\nhttps://tezos.gitlab.io/api/errors.html - full list of errors"
        },
        "expression": {
          "type": "string",
          "description": "Global address of the constant"
        }
      }
    }
  ]
}