When I click on export this error occurs in phpmyadmin
Warning in ./../../php/tcpdf/include/tcpdf_fonts.php#1671 chr() expects parameter 1 to be int, string given Backtrace tcpdf_fonts.php#1671: chr(string '') tcpdf_fonts.php#1803: TCPDF_FONTS::unichr( string '', boolean true, ) tcpdf_fonts.php#2095: TCPDF_FONTS::UTF8ArrSubString( array, integer 0, integer 1, boolean true, ) tcpdf.php#1960: TCPDF_FONTS::utf8Bidi( array, string '', boolean false,…