The development time required for an ERP software solution can vary depending on factors such as the complexity of the project, the size of the organization, and the customization needed. On average, it can take anywhere from several months to a year or more to develop a fully functional ERP software solution. The duration of each stage in the development process, including planning, requirements gathering, design, development, testing, and deployment, needs to be considered. It is crucial to work with an experienced software development team who can accurately estimate the time required based on the specific requirements of the organization.