Error connecting to SQL Server

When creating a new Knowledge Base, the following error may occur:

To solve it, access Windows Services (services.msc from the Execute window or looking for it from the
Start menu) and right-click --> Start on the SQL Server service (SQLEXPRESS).

Transactions

Autonumber the second level of a transaction

Hide an attribute in the Web layout

Error in Data Provider associated with a Transaction (data loading process): Attribute does not have the "visible" property

Error in global formula: reference to the same attribute to which the formula is associated: Formula XXX (directly or indirectly) references itself

Pattern Work With and Transactions

The dynamism was lost in the Web Layout of a Transaction, or the objects generated by the Work With for Web pattern.

Subtype Groups

Warning: Attribute XXX in subtype group XXX is (are) not associated in any transaction.

Procedures

A PDF list is not displayed

GeneXus Server

The Team Development option does not appear

Error connecting to SQL Server