すいません

ありました。こちらのエラーを見ればよかったんですね

INSERT INTO dtb_products_class(product_id,classcategory_id1,classcategory_id2,product_code,stock,stock_unlimited,price01,price02,creator_id,create_date,update_date) VALUES (?,?,?,?,?,?,?,?,?,Now(),Now())
DB Error: constraint violation

INSERT INTO dtb_products_class(product_id,classcategory_id1,classcategory_id2,product_code,stock,stock_unlimited,price01,price02,creator_id,create_date,update_date) VALUES ('123','73','0','SRJ155',NULL,'1',NULL,'48300','2',Now(),Now()) [nativecode=ERROR: duplicate key violates unique constraint "dtb_products_class_product_class_id_key"]

/var/www/html/eccube/html/admin/products/product_class.php 34:LC_Page_Admin_Products_ProductClass_Ex->process
/var/www/html/eccube/data/class_extends/page_extends/admin/products/LC_Page_Admin_Products_ProductClass_Ex.php 56:LC_Page_Admin_Products_ProductClass->process
/var/www/html/eccube/data/class/pages/admin/products/LC_Page_Admin_Products_ProductClass.php 175:LC_Page_Admin_Products_ProductClass->lfInsertProductClass
/var/www/html/eccube/data/class/pages/admin/products/LC_Page_Admin_Products_ProductClass.php 363:SC_Query->insert
/var/www/html/eccube/data/class/SC_Query.php 271:SC_DbConn->query
/var/www/html/eccube/data/class/SC_DbConn.php 78:DB_common->query
/var/www/html/eccube/data/module/DB/common.php 1162:DB_common->execute
/var/www/html/eccube/data/module/DB/common.php 959:DB_pgsql->simpleQuery
/var/www/html/eccube/data/module/DB/pgsql.php 338:DB_pgsql->pgsqlRaiseError
/var/www/html/eccube/data/module/DB/pgsql.php 786:DB_common->raiseError
/var/www/html/eccube/data/module/DB/common.php 1853:PEAR->raiseError
/var/www/html/eccube/data/module/PEAR.php 557:DB_Error->DB_Error
/var/www/html/eccube/data/module/DB.php 893:PEAR_Error->PEAR_Error