TROUBLESHOOTING: Another user has changed the row with primary key

Error

JBO-25014: Another user has changed the row with primary key oracle.jbo.Key[438 ].

Possible Cause:

You have the PK of the table to be updated by an DB TRIGGER.

Solution:

In the entity attribute , enable the respective Insert checkboxes in the Refresh After area

More on 

http://download.oracle.com/docs/cd/E12839_01/web.1111/b31974/bcentities.htm#BABFBJAI

Section 4.10.9, 4.10.10