ExeOutput Viewer Error line 1020 + line 1008

ExeOutput for PHP
1

hi
i have just upgrade theme for default template its showing this error, then i have delete the theme and install fresh them still showing this error.
ExeOutput Viewer Error

The following error has occurred. Please press Back to return to the previous page or contact the author of this program for further information.

PHP Error: PHP Warning: A non-numeric value encountered in D:\WordPress\Data\wordpress\wp-content\themes\Newspaper\includes\wp_booster\td_block.php on line 1020 PHP Warning: A non-numeric value encountered in D:\WordPress\Data\wordpress\wp-content\themes\Newspaper\includes\wp_booster\td_block.php on line 1008

please assist…

2

Which version of PHP did you use? Make sure your WP plug-in is compatible with it! You can also disable PHP warnings.

3

Had similar issue with PHP7. Learned little about it here: