Fieldtype Table for Items cannot be unique (workflow)

ERPNext
1

Im trying to create workflow however this ‘Fieldtype Table for Items cannot be unique’ show up when i saved it

any idea why this showing up?

2

Hello,

Please share screenshot of Workflow.

For the DocType for which you are creating this Workflow, check Customize Form for it. Ensure that for the Item table field, Unique is not checked.