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Fatal error: Uncaught Error: Call to undefined function mysql_error() in /home/rgn4s22h0w8x/public_html/app2023/customers/db.php:8 Stack trace: #0 /home/rgn4s22h0w8x/public_html/app2023/customers/index.php(19): require_once() #1 {main} thrown in /home/rgn4s22h0w8x/public_html/app2023/customers/db.php on line 8