diff --git a/db/ddlutils/oracle/views/M_PRODUCT_SUBSTITUTERELATED_V.sql b/db/ddlutils/oracle/views/M_PRODUCT_SUBSTITUTERELATED_V.sql
index d7fc59d8c9..b89273ada1 100644
--- a/db/ddlutils/oracle/views/M_PRODUCT_SUBSTITUTERELATED_V.sql
+++ b/db/ddlutils/oracle/views/M_PRODUCT_SUBSTITUTERELATED_V.sql
@@ -1,4 +1,4 @@
-CREATE OR REPLACE VIEW M_PRODUCT_SUBSTITUTERELATE_V AS
+CREATE OR REPLACE VIEW M_PRODUCT_SUBSTITUTERELATED_V AS
 SELECT s.AD_Client_ID, s.AD_Org_ID, s.IsActive, s.Created, s.CreatedBy, s.Updated, s.UpdatedBy, s.m_product_id, s.substitute_id, s.description, 'S' AS ROWTYPE, (ms.qtyonhand - ms.qtyreserved) AS qtyavailable, ms.qtyonhand, ms.qtyreserved, mpr.pricestd, mpr.m_pricelist_version_id, mw.m_warehouse_id
 FROM M_SUBSTITUTE s
 JOIN M_STORAGE ms ON ms.m_product_id = s.substitute_id
diff --git a/db/ddlutils/postgresql/views/M_PRODUCT_SUBSTITUTERELATED_V.sql b/db/ddlutils/postgresql/views/M_PRODUCT_SUBSTITUTERELATED_V.sql
index d7fc59d8c9..b89273ada1 100644
--- a/db/ddlutils/postgresql/views/M_PRODUCT_SUBSTITUTERELATED_V.sql
+++ b/db/ddlutils/postgresql/views/M_PRODUCT_SUBSTITUTERELATED_V.sql
@@ -1,4 +1,4 @@
-CREATE OR REPLACE VIEW M_PRODUCT_SUBSTITUTERELATE_V AS
+CREATE OR REPLACE VIEW M_PRODUCT_SUBSTITUTERELATED_V AS
 SELECT s.AD_Client_ID, s.AD_Org_ID, s.IsActive, s.Created, s.CreatedBy, s.Updated, s.UpdatedBy, s.m_product_id, s.substitute_id, s.description, 'S' AS ROWTYPE, (ms.qtyonhand - ms.qtyreserved) AS qtyavailable, ms.qtyonhand, ms.qtyreserved, mpr.pricestd, mpr.m_pricelist_version_id, mw.m_warehouse_id
 FROM M_SUBSTITUTE s
 JOIN M_STORAGE ms ON ms.m_product_id = s.substitute_id
diff --git a/migration/330-331b/044_BF_1824260.sql b/migration/330-331b/044_BF_1824260.sql
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/migration/330-331b/postgresql/037_AdditionalProductInfo.sql b/migration/330-331b/postgresql/037_AdditionalProductInfo.sql
index 0473c8a7ff..6fcb456295 100644
--- a/migration/330-331b/postgresql/037_AdditionalProductInfo.sql
+++ b/migration/330-331b/postgresql/037_AdditionalProductInfo.sql
@@ -65,7 +65,7 @@ JOIN M_WAREHOUSE mw ON ml.m_warehouse_id = mw.m_warehouse_id
 ORDER BY mw.NAME;
 
 
-CREATE OR REPLACE VIEW M_PRODUCT_SUBSTITUTERELATE_V AS
+CREATE OR REPLACE VIEW M_PRODUCT_SUBSTITUTERELATED_V AS
 SELECT s.AD_Client_ID, s.AD_Org_ID, s.IsActive, s.Created, s.CreatedBy, s.Updated, s.UpdatedBy, s.m_product_id, s.substitute_id, s.description, 'S' AS ROWTYPE, (ms.qtyonhand - ms.qtyreserved) AS qtyavailable, ms.qtyonhand, ms.qtyreserved, mpr.pricestd, mpr.m_pricelist_version_id, mw.m_warehouse_id
 FROM M_SUBSTITUTE s
 JOIN M_STORAGE ms ON ms.m_product_id = s.substitute_id
diff --git a/migration/330-331b/postgresql/044_BF_1824260.sql b/migration/330-331b/postgresql/044_BF_1824260.sql
new file mode 100644
index 0000000000..f23ede725a
--- /dev/null
+++ b/migration/330-331b/postgresql/044_BF_1824260.sql
@@ -0,0 +1,32 @@
+CREATE OR REPLACE FUNCTION "adempiere"."subtractdays" (in inter interval, in days numeric) RETURNS integer AS
+$BODY$
+BEGIN
+RETURN ( EXTRACT( EPOCH FROM ( inter ) ) / 86400 ) - days;
+END;
+$BODY$
+LANGUAGE 'plpgsql';
+
+CREATE OPERATOR - (
+PROCEDURE = subtractdays,
+LEFTARG = interval,
+RIGHTARG = numeric,
+COMMUTATOR = -
+);
+
+
+CREATE OR REPLACE FUNCTION "adempiere"."adddays" (in inter interval, in days numeric) RETURNS integer AS
+$BODY$
+BEGIN
+RETURN ( EXTRACT( EPOCH FROM ( inter ) ) / 86400 ) + days;
+END;
+$BODY$
+LANGUAGE 'plpgsql';
+
+CREATE OPERATOR + (
+PROCEDURE = adddays,
+LEFTARG = interval,
+RIGHTARG = numeric,
+COMMUTATOR = -
+);
+
+ALTER OPERATOR adempiere.+ (interval, numeric) OWNER TO adempiere;
\ No newline at end of file