The Invalid Attribute error is issued in the following situations:

Check this entity attribute, structure attribute, or variable and fix its data type.

OutSystems Platform does not allow you to have a self-reference attribute, i.e. an attribute that references the same entity, and has the Delete Rule property set to Delete. You must change the value of this property to Protect or Ignore, according to your needs.

Change the value of the Decimals property of this attribute to an integer literal value.

Change the value of the Length property of this attribute to an integer literal value.

You must change the attribute name according to Oracle rules.

Clicking the symbol will select the attribute that was left with an invalid attribute.

See Also

Types of Entity Attributes | Types of Structure Attributes | Create Entity Attributes | Create Structure Attributes | About Error Messages