ERRO na criação das tabelas

node api/banco-de-dados/criarTabelas.js 
/home/luis/Documentos/workspace/api-petshop/api/rotas/fornecedores/ModeloTabelaFornecedor.js:28
module.exports = instancia.define('fornecedor', colunas, opcoes)
                           ^

TypeError: instancia.define is not a function
    at Object.<anonymous> (/home/luis/Documentos/workspace/api-petshop/api/rotas/fornecedores/ModeloTabelaFornecedor.js:28:28)
    at Module._compile (internal/modules/cjs/loader.js:778:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:789:10)
    at Module.load (internal/modules/cjs/loader.js:653:32)
    at tryModuleLoad (internal/modules/cjs/loader.js:593:12)
    at Function.Module._load (internal/modules/cjs/loader.js:585:3)
    at Module.require (internal/modules/cjs/loader.js:692:17)
    at require (internal/modules/cjs/helpers.js:25:18)
    at Object.<anonymous> (/home/luis/Documentos/workspace/api-petshop/api/banco-de-dados/criarTabelas.js:1:22)
    at Module._compile (internal/modules/cjs/loader.js:778:30)