i have facing error in my theme can anyone solve this issue
WARNING: MISSING ARGUMENT 2 FOR WPDB::PREPARE(), CALLED IN C:\WAMP\WWW\WP-CONTENT\THEMES\ENVISION THEME\ENVISION\LIBRARY\TFUSE_FRAMEWORK\FUNCTIONS\CORE.PHP ON LINE 21 AND DEFINED IN C:\WAMP\WWW\WP-INCLUDES\WP-DB.PHP ON LINE 992
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core.php line 21
return $wpdb->get_var($wpdb->prepare(“SELECT COUNT(meta_key) FROM $wpdb->postmeta WHERE meta_key = ‘$meta’ AND post_id = $post_id;”));
wp-db.php line 992
function prepare( $query, $args ) {
if ( is_null( $query ) )
return;
$args = func_get_args();
array_shift( $args );
// If args were passed as an array (as in vsprintf), move them up
if ( isset( $args[0] ) && is_array($args[0]) )
$args = $args[0];
$query = str_replace( “‘%s'”, ‘%s’, $query ); // in case someone mistakenly already singlequoted it
$query = str_replace( ‘”%s”‘, ‘%s’, $query ); // doublequote unquoting
$query = preg_replace( ‘|(?<!%)%f|’ , ‘%F’, $query ); // Force floats to be locale unaware
$query = preg_replace( ‘|(?<!%)%s|’, “‘%s'”, $query ); // quote the strings, avoiding escaped strings like %%s
array_walk( $args, array( $this, ‘escape_by_ref’ ) );
return @vsprintf( $query, $args );
}
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please solve this issue i am trying but failed so, help me out