Fatal error: Uncaught TypeError: strlen(): Argument #1 ($string) must be of type string, array given in C:\wamp64\www\TCPDF\tcpdf.php:6357 Stack trace: #0 C:\wamp64\www\TCPDF\tcpdf.php(5959): TCPDF->Write(4.409722, Array, '', 0, '', true, 0, false, true, 0, 0, Array) #1 C:\wamp64\www\TCPDF\tcpdf.php(3501): TCPDF->MultiCell(147.00014444444, 4.409722, Array, 0, '', 0, 1, 48.0, 9.850694, true, 0, false, true, 0, 'T', false) #2 C:\wamp64\www\TCPDF\tcpdf.php(3605): TCPDF->Header() #3 C:\wamp64\www\TCPDF\tcpdf.php(3272): TCPDF->setHeader() #4 C:\wamp64\www\TCPDF\tcpdf.php(3184): TCPDF->startPage('', '', false) #5 C:\wamp64\www\examples\example_001.php(81): TCPDF->AddPage() #6 {main} thrown in C:\wamp64\www\TCPDF\tcpdf.php on line 6357