At the minimum you must update the Bridge on all of your Vaults in Sage Paperless Construction as they point to where the accounting data is located. You will need to review additional locations specified on the Vault setup and in AP Flow Settings. If you are not familiar with the locations utilized for your files you will need to have your network or IT profesional perform this process and may want to consult with your business partner.
For the correct steps for this process see: Sage Paperless Construction: How do I correctly delete and recreate my bridge?
If you are using the Attachment Sync in the Job Poll, review the path for these files. If this has changed you will need to run this job one time with the Reset Paths set to True to update the paths in the accounting software. Once it completes change it back to False.