1- Our ERP Integration Specialist, a highly specialized and critical resource, has been hospitalized and has no recovery date in sight. Without this resource, the project cannot continue.

2- Our Business Analyst has indicated that they have received a substantial offer from an operational unit in our company and they have submitted their two weeks' notice to us. Despite being basic project resource, the BA has a substantial history with this project and the loss of them will set us back substantially, not just in terms of time and hiring costs, but also in terms of quality issues as the BA has an intimate knowledge of all the details around the requirements that were gathered

3- Our Team Lead of Software Development has mentioned that with the absence of the ERP Integration Specialist and the lack of cooperation from the Transition Manager and operations stakeholders, their team is not able to continue to progress towards the next component milestone.

what tasks can we assign to related position regarding to solve these issues?