`timeCreated` timestamp NOT NULL DEFAULT current_timestamp() ON UPDATE current_timestamp()
  `timeChanged` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00'
  PRIMARY KEY (`shop_cart_ID`)
  KEY `dest_shop_layer_ID` (`dest_shop_layer_ID`)
  KEY `session_rel` (`session_rel`)
  KEY `dest_pnc_web_ID` (`dest_pnc_web_ID`)
  KEY `dest_shop_payment_ID` (`dest_shop_payment_ID`)
  KEY `dest_shop_delivery_ID` (`dest_shop_delivery_ID`)
  KEY `in_dest_user_country_ID` (`in_dest_user_country_ID`)
  KEY `de_dest_user_country_ID` (`de_dest_user_country_ID`)
  KEY `cart_key` (`cart_key`)
  CONSTRAINT `shop_cart_ibfk_1` FOREIGN KEY (`dest_shop_layer_ID`) REFERENCES `shop_layer` (`shop_layer_ID`)
  CONSTRAINT `shop_cart_ibfk_2` FOREIGN KEY (`dest_pnc_web_ID`) REFERENCES `pnc_web` (`pnc_web_ID`)
  CONSTRAINT `shop_cart_ibfk_3` FOREIGN KEY (`dest_shop_payment_ID`) REFERENCES `shop_payment` (`shop_payment_ID`)
  CONSTRAINT `shop_cart_ibfk_4` FOREIGN KEY (`dest_shop_delivery_ID`) REFERENCES `shop_delivery` (`shop_delivery_ID`)
  CONSTRAINT `shop_cart_ibfk_5` FOREIGN KEY (`in_dest_user_country_ID`) REFERENCES `user_country` (`user_country_ID`)
  CONSTRAINT `shop_cart_ibfk_6` FOREIGN KEY (`de_dest_user_country_ID`) REFERENCES `user_country` (`user_country_ID`)
<br />
<b>Fatal error</b>:  Uncaught TypeError: strtolower(): Argument #1 ($string) must be of type string, array given in /var/www/html/penframe6/db/db.base.batch.class.php:24
Stack trace:
#0 /var/www/html/penframe6/db/db.base.batch.class.php(24): strtolower(Array)
#1 /var/www/html/penframe6/db/db.base.batch.class.php(877): db_base_batch-&gt;process_sql('(paramExclude =...')
#2 /var/www/html/penframe6/db/db.base.class.php(2175): db_base_batch-&gt;process_batch('(paramExclude =...')
#3 /var/www/html/penframe6/db/db.base.class.php(1056): db_base-&gt;process_batch('(paramExclude =...')
#4 /var/www/html/penframe6/db/db.base.batch.column.class.php(806): db_base-&gt;get_table('shop_param_valu...')
#5 /var/www/html/penframe6/db/db.base.batch.class.php(377): db_base_batch_column-&gt;parse_column('\r\n    --FOREIGN...')
#6 /var/www/html/penframe6/db/db.base.batch.class.php(877): db_base_batch-&gt;process_sql('CREATE CACHE ST...')
#7 /var/www/html/penframe6/db/db.base.class.php(2175): db_base_batch-&gt;process_batch('CREATE CACHE ST...')
#8 /var/www/html/penframe6/db/db.base.class.php(1056): db_base-&gt;process_batch('CREATE CACHE ST...')
#9 /var/www/html/penframe6/db/db.base.class.php(2282): db_base-&gt;get_table('shop_grouping_c...')
#10 /var/www/html/penframe6/pnc/pnc.core.php(1921): db_base-&gt;load_sql(Array, false)
#11 /var/www/html/penframe6/pnc/pnc.core.php(1706): pnc_core-&gt;initialize_db(Array, false)
#12 /var/www/html/penframe6/pnc/pnc.core.php(56): pnc_core-&gt;initialize(Array)
#13 /var/www/html/perfecto2015/web/index.php(40): pnc_run(Object(pnc_data_tree))
#14 {main}
  thrown in <b>/var/www/html/penframe6/db/db.base.batch.class.php</b> on line <b>24</b><br />