erro no console:
Error loading web module backend/email.jsw: Cannot find module 'backend/sendGrid' Require stack: - /user-code/backend/email.jsw - /user-code/stubmodule-that-does-the-require.js - /elementory/node_modules/scoped-require/index.js - /elementory/factories.js - /elementory/create-app.js - /elementory/cloud-grid-runner.js email.jsw Line 1
Error loading web module backend/email.jsw: Cannot find module 'backend/sendGrid' Require stack: - /user-code/backend/email.jsw - /user-code/stubmodule-that-does-the-require.js - /elementory/node_modules/scoped-require/index.js - /elementory/factories.js - /elementory/create-app.js - /elementory/cloud-grid-runner.js
Resolvido, no sendgrid não tinha remetente único cadastrado. Obrigado novamente @Matheus Alexandre