Please try this updated query....
SELECT CRMAF_ses_student.ses_studentId ,
CRMAF_ses_student.ses_Student ,
CRMAF_ses_student.ses_StudentName ,
col_StudentInvoicePayments.TrxID ,
col_StudentInvoicePayments.TrxNo ,
col_StudentInvoicePayments.TrxDate ,
col_StudentInvoicePayments.Name ,
col_StudentInvoicePayments.TotalAmount
FROM ses_student AS CRMAF_ses_student
INNER JOIN col_StudentInvoicePayments ON CRMAF_ses_student.ses_studentId = col_StudentInvoicePayments.ses_StudentId