FRM-41027: Primary key must be defined for this block.

Cause: There are no primary key items in the block and one of the following has happened:
1. You attempted to set Key_Mode of primary key option on for the block.
2. The Key_Mode is set to Automatic and the datasource to which your are connected does not support UNIQUE key mode.

Action: Specify one or more primary key items on the block.

Trigger: ON-ERROR

• Additional information for FRM-41027: Primary key must be defined for this block.41027
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