Erro na instalação magento 2.1.8

[fabionoa]

Ola Pessoal, estou tendo uma dificuldade para instalar o módulo via composer, aparece o seguinte erro:

Using version ^2.1 for moip/moip-sdk-php ./composer.json has been updated Loading composer repositories with package information Updating dependencies (including require-dev) Your requirements could not be resolved to an installable set of packages.

Problem 1

• Installation request for flowecommerce/pt_br ^100.0 -> satisfiable by flowecommerce/pt_br[100.0.1].
• Conclusion: remove magento/framework 100.1.8
• Conclusion: don't install magento/framework 100.1.8
• flowecommerce/pt_br 100.0.1 requires magento/framework 100.0.* -> satisfiable by magento/framework[100.0.2, 100.0.3, 100.0.4, 100.0.5, 100.0.6, 100.0.7, 100.0.8, 100.0.9, 100.0.10, 100.0.11, 100.0.12, 100.0.13, 100.0.14, 100.0.15, 100.0.16, 100.0.17, 100.0.18].
• Can only install one of: magento/framework[100.1.8, 100.0.2].
• Can only install one of: magento/framework[100.1.8, 100.0.3].
• Can only install one of: magento/framework[100.1.8, 100.0.4].
• Can only install one of: magento/framework[100.1.8, 100.0.5].
• Can only install one of: magento/framework[100.1.8, 100.0.6].
• Can only install one of: magento/framework[100.1.8, 100.0.7].
• Can only install one of: magento/framework[100.1.8, 100.0.8].
• Can only install one of: magento/framework[100.1.8, 100.0.9].
• Can only install one of: magento/framework[100.1.8, 100.0.10].
• Can only install one of: magento/framework[100.1.8, 100.0.11].
• Can only install one of: magento/framework[100.1.8, 100.0.12].
• Can only install one of: magento/framework[100.1.8, 100.0.13].
• Can only install one of: magento/framework[100.1.8, 100.0.14].
• Can only install one of: magento/framework[100.1.8, 100.0.15].
• Can only install one of: magento/framework[100.1.8, 100.0.16].
• Can only install one of: magento/framework[100.1.8, 100.0.17].
• Can only install one of: magento/framework[100.1.8, 100.0.18].
• Installation request for magento/framework == 100.1.8.0 -> satisfiable by magento/framework[100.1.8].

Alguem poderia me ajudar???

Obrigado

[elisei]

Oi @fabionoa,

O composer está informando que a versão atual do seu magento não compatível, a mínima requerida atualmente para o projeto é a 2.2