Warning message when you try to open a Purchase Order Processing window in Microsoft Dynamics GP 9.0: "Please set up this user first" Content provided by Microsoft SYMPTOMSWhen you try to open a Purchase Order Processing window in Microsoft Dynamics GP 9.0, you receive the following warning message:Please set up this user first. CAUSEThis problem occurs because Microsoft Dynamics GP 9.0 integrates purchase order transactions from Project Accounting in Microsoft Dynamics GP 9.0 into Purchase Order Processing in Microsoft Dynamics GP 9.0.RESOLUTIONTo resolve this problem, follow these steps: 1. On the Tools menu, point to Setup , point to Project , and then click User . 2. In the User Project Accounting Settings dialog box, click a user in the User ID list. 3. Click Purchase Order , and then click OK . 4. Click Purchasing Invoice , and then click OK . 5. Click Save . 6. Repeat steps 2 through 5 for each user. Last Updated: 31 Mar 2017 Was this information helpful? Yes No Tell us what we can do to improve the article Submit Thanks! Your feedback will help us improve the support experience.