Fetch Employees not a part of Talent Profile Section

Summary:

We have created a Custom Section using the Skill Template under the Talent Profile Page. As followed fields

HPI.ATTRIBUTE1 AS TRAINING_NAME,

HPI.ATTRIBUTE2 AS BRANCH,

HPI.ATTRIBUTE3 AS DESIGNATION,

HPI.ATTRIBUTE4 AS VENUE,

HPI.ATTRIBUTE5 AS TRAINING_TYPE,

HPI.ATTRIBUTE6 AS STATUS,

TO_CHAR(HPI.ATTRIBUTE_DATE1,'DD-MM-YYYY') AS START_DATE,

TO_CHAR(HPI.ATTRIBUTE_DATE2,'DD-MM-YYYY') AS END_DATE

We are trying to Fetch the employees who are not part of this section, We have Used NOT IN & IS NULL conditions.

Did not work I have attached the query we are using for this case. Kindly help me with this.