Found the bug. there was no delimiter at the end of billing.sql

src/sql/0-run-first/billing.sql

@@ -6,10 +6,14 @@ SELECT pkey,
        (SELECT all_projects.proj_type from all_projects where all_projects.refnum = refNumber) AS division,
        line_created,
        accepted_date,
-       (qty * default_price)             AS fee,
+       (qty * default_price)                                                                   AS fee,
        invoice_accepted
 FROM billing;
-CREATE INDEX ref_num ON billing_report(refNumber);
+CREATE INDEX ref_num ON billing_report (refNumber);
 
 UPDATE billing_report
-SET division = IF(division = 'Warranty', CONCAT(SUBSTRING(refNumber, 1, 3), ' - ', 'Structural'), CONCAT(SUBSTRING(refNumber, 1, 3), ' - ', division))
+SET division = IF(
+            division = 'Warranty',
+            CONCAT(SUBSTRING(refNumber, 1, 3), ' - ', 'Structural'),
+            CONCAT(SUBSTRING(refNumber, 1, 3), ' - ', division)
+    );