Magento

When trying to click on any order to view:

There has been an error processing your request
Exception printing is disabled by default for security reasons.
Error log record number: 983104508077

When trying to create an order in a customer’s account: 

Order saving error: SQLSTATE[23000]: Integrity constraint violation: 1052 Column ‘sort_order’ in order clause is ambiguous

At the moment I can also not access customer accounts:

There has been an error processing your request

Exception printing is disabled by default for security reasons.

Error log record number: 239308626210

Getting desperate with 1.4.2 Willing to pay for help with my database.

Hi,
I had a similar problem on an extension I\’m working on : it requires to create a new customer attribute via a setup file.
I had problems with the $installer->installEntities() method, so I\’ve simply switch to the addAttribute() method and it worked