diff --git a/htdocs/core/lib/admin.lib.php b/htdocs/core/lib/admin.lib.php
index ce495a771d8..4f08650e56b 100644
--- a/htdocs/core/lib/admin.lib.php
+++ b/htdocs/core/lib/admin.lib.php
@@ -346,7 +346,8 @@ function run_sql($sqlfile,$silent=1,$entity='',$usesavepoint=1,$handler='',$oker
 					'DB_ERROR_NO_INDEX_TO_DROP',
 					'DB_ERROR_CANNOT_CREATE',    		// Qd contrainte deja existante
 					'DB_ERROR_CANT_DROP_PRIMARY_KEY',
-					'DB_ERROR_PRIMARY_KEY_ALREADY_EXISTS'
+					'DB_ERROR_PRIMARY_KEY_ALREADY_EXISTS',
+            		'DB_ERROR_22P02'
 				);
                 if ($okerror == 'none') $okerrors=array();
 
@@ -928,7 +929,7 @@ function complete_dictionary_with_modules(&$taborder,&$tabname,&$tablib,&$tabsql
                                 foreach($objMod->dictionaries['tabcond'] as $val)        { $nbtabcond++; $tabcond[] = $val; }
                                 if (! empty($objMod->dictionaries['tabhelp']))       foreach($objMod->dictionaries['tabhelp'] as $val)       { $nbtabhelp++; $tabhelp[] = $val; }
                                 if (! empty($objMod->dictionaries['tabfieldcheck'])) foreach($objMod->dictionaries['tabfieldcheck'] as $val) { $nbtabfieldcheck++; $tabfieldcheck[] = $val; }
-                                
+
                                 if ($nbtabname != $nbtablib || $nbtablib != $nbtabsql || $nbtabsql != $nbtabsqlsort)
                                 {
                                     print 'Error in descriptor of module '.$const_name.'. Array ->dictionaries has not same number of record for key "tabname", "tablib", "tabsql" and "tabsqlsort"';
diff --git a/htdocs/install/mysql/migration/3.9.0-4.0.0.sql b/htdocs/install/mysql/migration/3.9.0-4.0.0.sql
index d64973f98ec..df9b7aa3450 100644
--- a/htdocs/install/mysql/migration/3.9.0-4.0.0.sql
+++ b/htdocs/install/mysql/migration/3.9.0-4.0.0.sql
@@ -305,19 +305,15 @@ ALTER TABLE llx_contratdet ADD COLUMN multicurrency_total_ht double(24,8) DEFAUL
 ALTER TABLE llx_contratdet ADD COLUMN multicurrency_total_tva double(24,8) DEFAULT 0;
 ALTER TABLE llx_contratdet ADD COLUMN multicurrency_total_ttc double(24,8) DEFAULT 0;
 
-
-
 ALTER TABLE llx_paiement ADD COLUMN multicurrency_amount double(24,8) DEFAULT 0;
 ALTER TABLE llx_paiement_facture ADD COLUMN multicurrency_amount double(24,8) DEFAULT 0;
 ALTER TABLE llx_paiementfourn ADD COLUMN multicurrency_amount double(24,8) DEFAULT 0;
 ALTER TABLE llx_paiementfourn_facturefourn ADD COLUMN multicurrency_amount double(24,8) DEFAULT 0;
 
-ALTER TABLE llx_societe_remise_except ADD COLUMN multicurrency_amount_ht double(24,8) NOT NULL;
+ALTER TABLE llx_societe_remise_except ADD COLUMN multicurrency_amount_ht double(24,8) DEFAULT 0 NOT NULL;
 ALTER TABLE llx_societe_remise_except ADD COLUMN multicurrency_amount_tva double(24,8) DEFAULT 0 NOT NULL;
 ALTER TABLE llx_societe_remise_except ADD COLUMN multicurrency_amount_ttc double(24,8) DEFAULT 0 NOT NULL;
 
-
-
 ALTER TABLE llx_supplier_proposal ADD COLUMN fk_multicurrency integer;
 ALTER TABLE llx_supplier_proposal ADD COLUMN multicurrency_code varchar(255);
 ALTER TABLE llx_supplier_proposal ADD COLUMN multicurrency_tx double(24,8) DEFAULT 1;
@@ -374,10 +370,12 @@ INSERT INTO llx_c_accounting_category (rowid, code, label, range_account, sens,
 INSERT INTO llx_c_accounting_category (rowid, code, label, range_account, sens, category_type, formula, position, fk_country, active) VALUES (  3,'MARGE',"Marge commerciale", '', 0, 1, '1 + 2', '30', 1, 1);
 
 UPDATE llx_accounting_account SET account_parent = '0' WHERE account_parent = '';
-ALTER TABLE llx_accounting_account MODIFY COLUMN account_parent integer DEFAULT 0;
+-- VMYSQL4.1 ALTER TABLE llx_accounting_account MODIFY COLUMN account_parent integer DEFAULT 0;
+-- VPGSQL8.2 ALTER TABLE llx_accounting_account ALTER COLUMN account_parent TYPE integer USING account_parent::integer;
 
 
-DROP INDEX uk_bordereau_cheque ON llx_bordereau_cheque;
+-- VMYSQL4.1 DROP INDEX uk_bordereau_cheque ON llx_bordereau_cheque;
+-- VPGSQL8.2 DROP INDEX uk_bordereau_cheque;
 ALTER TABLE llx_bordereau_cheque CHANGE COLUMN number ref VARCHAR(30) NOT NULL;
 CREATE UNIQUE INDEX uk_bordereau_cheque ON llx_bordereau_cheque (ref, entity);
 
diff --git a/htdocs/install/mysql/tables/llx_societe_remise_except.sql b/htdocs/install/mysql/tables/llx_societe_remise_except.sql
index ef84e0081d6..f17d17670d2 100644
--- a/htdocs/install/mysql/tables/llx_societe_remise_except.sql
+++ b/htdocs/install/mysql/tables/llx_societe_remise_except.sql
@@ -33,7 +33,7 @@ create table llx_societe_remise_except
   fk_facture			integer,
   fk_facture_source		integer,
   description			text NOT NULL,
-  multicurrency_amount_ht	double(24,8) NOT NULL,
+  multicurrency_amount_ht	double(24,8) DEFAULT 0 NOT NULL,
   multicurrency_amount_tva	double(24,8) DEFAULT 0 NOT NULL,
   multicurrency_amount_ttc	double(24,8) DEFAULT 0 NOT NULL
 )ENGINE=innodb;