Issue
When attempting to open the Nintex Forms designer the below error occurs.
Failed to handle start form designer page on initialize event. Error: The SELECT permission was denied on the object 'NF_Consumption'
Failed to handle start form designer page on initialize event. Error: The SELECT permission was denied on the object 'NF_Consumption'
Resolution
Make sure the service account associated to the web application pool used by Nintex has the WSS_Content_Application_Pools database role added for the Nintex Forms database. Please follow the guide below for more details.
Nintex Database Permissions guide
Nintex Database Permissions guide
Error Code
Failed to handle start form designer page on initialize event. Error: The SELECT permission was denied on the object 'NF_Consumption'