The Unexpected Attribute warning is issued in the following situations:
<attribute> is an invalid attribute name in Oracle: your eSpace is prepared to use an Oracle database or both databases, and you have an attribute whose name is a reserved word in Oracle.
You should edit this entity attribute and change its name. The reserved words are as follows: timestamp, number, blob, clob, and varchar2. You must change the attribute name.
Clicking the symbol will take you directly to the entity whose attribute name you should fix.
Entity Attributes | About Warning Messages