PDF Upload Bootstrap theme

PDF Upload

<?php
    $xcrud = Xcrud::get_instance();
    $xcrud->table('pdf_data');

    // simple file upload
    //$xcrud->change_type('pdf_file', 'file', '', array('not_rename'=>true));
    $xcrud->change_type('pdf_file','file');//,'',array('blob'=>true));

    //$xcrud->after_upload("file_callback");
    $xcrud->before_insert("before_insert");
    $xcrud->before_update("before_update");
    $xcrud->column_callback("pdf_blob","show_pdf");
    $xcrud->field_callback("pdf_blob","show_pdf");

    // simple image upload
    //$xcrud->change_type('pdf_file', 'image');

    echo $xcrud->render();
?>

Fatal error: Uncaught mysqli_sql_exception: Table 'mixcprassd_demo.pdf_data' doesn't exist in /home/mixcprassd/public_html/backendDemo/xcrud/xcrud_db.php:61 Stack trace: #0 /home/mixcprassd/public_html/backendDemo/xcrud/xcrud_db.php(61): mysqli->query('SHOW COLUMNS FR...', 1) #1 /home/mixcprassd/public_html/backendDemo/xcrud/xcrud.php(7060): Xcrud_db->query('SHOW COLUMNS FR...') #2 /home/mixcprassd/public_html/backendDemo/xcrud/xcrud.php(2702): Xcrud->_get_table_info() #3 /home/mixcprassd/public_html/backendDemo/pages/pdf_upload.php(18): Xcrud->render() #4 /home/mixcprassd/public_html/backendDemo/html/template.php(91): include('/home/mixcprass...') #5 /home/mixcprassd/public_html/backendDemo/index.php(66): include('/home/mixcprass...') #6 {main} thrown in /home/mixcprassd/public_html/backendDemo/xcrud/xcrud_db.php on line 61