Cannot select blocked specification 4s when adding a firm

This section provides information on a validation error.

Workflow Table	Type	Description	Workflow Conditions
Firm	Insert	Blocked Specification 3 cannot be selected (Add)

Action	Column (Field) Change Properties	Description	Action Conditions
Column (Field) Change	Column: Workflow Blocked Specification 4  New Value SQL Expression: If this is True: (select custBlocked from UDIC_Specification4 where UDIC_UID='[:ClientCustomTabFields.CustSpecification4]')='[BLOCKED]' Use this Calculation: 'Y' Otherwise, Use This Calculation: 'N'	Test if blocked Specification 4 was selected	Specification 4 Dimension  not empty
Validate Error		You've chosen a blocked Specification 4. Please select a different Specification 4.	Workflow Blocked Specification 4 equals Yes