---
title: "DataShed4 - Could Not Create UniDefs for:"
canonical: "https://servicedesk.maxgeo.com/space/MAXGEO/1067614245/DataShed4%20-%20Could%20Not%20Create%20UniDefs%20for%3A"
format: markdown
---
**Issue: **When DataShed starts you get an error message saying:

DataSource Problems Were Encountered:

Could not create UniDefs for:

![image](media://6f5a2759-5d7f-44aa-a9c6-5ccd894f1352)

**Resolution**: Check the listed tables/views exist in the database then check if they have been edited/changed.