---
title: "DataShed5 - Assay Striplog Report error"
canonical: "https://servicedesk.maxgeo.com/space/MAXGEO/1054638081/DataShed5%20-%20Assay%20Striplog%20Report%20error"
format: markdown
---
**Error: **When trying to view the Assay Striplog report through DataShed5.

> ❌ # Server Error in '/' Application.
> ❌ 
> ❌ ## *Invalid column name 'Au_ppm'.*  
> ❌ *Invalid column name 'Cu_ppm'.*  
> ❌ *Invalid column name 'Ag_ppm'.*  
> ❌ *Invalid column name 'Ni_ppm'.*
> ❌ 
> ❌ **Description:**An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
> ❌ 
> ❌ **Exception Details:**System.Data.SqlClient.SqlException: Invalid column name 'Au_ppm'.  
> ❌ Invalid column name 'Cu_ppm'.  
> ❌ Invalid column name 'Ag_ppm'.  
> ❌ Invalid column name 'Ni_ppm'.


**Resolution: **Check the tblVWDHAssay view that all columns listed in the error are setup.


> ⚠️ DB Modification
> ⚠️ 
> ⚠️ Before any change is made to a user database (or system), maxgeo recommends competent staff should follow all standard database change management practices and never make untested changes to a production database.  
> ⚠️ Change, test and document all modifications on a test copy of your database to ensure results are as expected before implementing them on your live database. Always ensure a full backup is available in case rollback is required and follow all company change management procedures and practices.