Unable to add team logo

Hi, I have network with 2 sites. I could not add a logo to the teams as it gives a list of errors.

Warning: Division by zero in /home/kihaadho/public_html/wp-content/plugins/leaguemanager/lib/thumbnail.inc.php on line 216

Warning: Division by zero in /home/kihaadho/public_html/wp-content/plugins/leaguemanager/lib/thumbnail.inc.php on line 229

Warning: imagecreatetruecolor(): Invalid image dimensions in /home/kihaadho/public_html/wp-content/plugins/leaguemanager/lib/thumbnail.inc.php on line 321

Warning: imagealphablending() expects parameter 1 to be resource, boolean given in /home/kihaadho/public_html/wp-content/plugins/leaguemanager/lib/thumbnail.inc.php on line 327

Warning: imagesavealpha() expects parameter 1 to be resource, boolean given in /home/kihaadho/public_html/wp-content/plugins/leaguemanager/lib/thumbnail.inc.php on line 328

Warning: imagecopyresampled() expects parameter 1 to be resource, boolean given in /home/kihaadho/public_html/wp-content/plugins/leaguemanager/lib/thumbnail.inc.php on line 340

Warning: Division by zero in /home/kihaadho/public_html/wp-content/plugins/leaguemanager/lib/thumbnail.inc.php on line 216

Warning: imagecreatetruecolor(): Invalid image dimensions in /home/kihaadho/public_html/wp-content/plugins/leaguemanager/lib/thumbnail.inc.php on line 321

Warning: imagealphablending() expects parameter 1 to be resource, boolean given in /home/kihaadho/public_html/wp-content/plugins/leaguemanager/lib/thumbnail.inc.php on line 327

Warning: imagesavealpha() expects parameter 1 to be resource, boolean given in /home/kihaadho/public_html/wp-content/plugins/leaguemanager/lib/thumbnail.inc.php on line 328

Warning: imagecopyresampled() expects parameter 1 to be resource, boolean given in /home/kihaadho/public_html/wp-content/plugins/leaguemanager/lib/thumbnail.inc.php on line 340

Warning: chmod(): No such file or directory in /home/kihaadho/public_html/wp-content/plugins/leaguemanager/lib/image.php on line 114

Warning: chmod(): No such file or directory in /home/kihaadho/public_html/wp-content/plugins/leaguemanager/lib/image.php on line 115

Warning: Division by zero in /home/kihaadho/public_html/wp-content/plugins/leaguemanager/lib/thumbnail.inc.php on line 216

Warning: Division by zero in /home/kihaadho/public_html/wp-content/plugins/leaguemanager/lib/thumbnail.inc.php on line 229

Warning: imagecreatetruecolor(): Invalid image dimensions in /home/kihaadho/public_html/wp-content/plugins/leaguemanager/lib/thumbnail.inc.php on line 321

Warning: imagealphablending() expects parameter 1 to be resource, boolean given in /home/kihaadho/public_html/wp-content/plugins/leaguemanager/lib/thumbnail.inc.php on line 327

Warning: imagesavealpha() expects parameter 1 to be resource, boolean given in /home/kihaadho/public_html/wp-content/plugins/leaguemanager/lib/thumbnail.inc.php on line 328

Warning: imagecopyresampled() expects parameter 1 to be resource, boolean given in /home/kihaadho/public_html/wp-content/plugins/leaguemanager/lib/thumbnail.inc.php on line 340

Warning: Division by zero in /home/kihaadho/public_html/wp-content/plugins/leaguemanager/lib/thumbnail.inc.php on line 216

Warning: imagecreatetruecolor(): Invalid image dimensions in /home/kihaadho/public_html/wp-content/plugins/leaguemanager/lib/thumbnail.inc.php on line 321

Warning: imagealphablending() expects parameter 1 to be resource, boolean given in /home/kihaadho/public_html/wp-content/plugins/leaguemanager/lib/thumbnail.inc.php on line 327

Warning: imagesavealpha() expects parameter 1 to be resource, boolean given in /home/kihaadho/public_html/wp-content/plugins/leaguemanager/lib/thumbnail.inc.php on line 328

Warning: imagecopyresampled() expects parameter 1 to be resource, boolean given in /home/kihaadho/public_html/wp-content/plugins/leaguemanager/lib/thumbnail.inc.php on line 340

Warning: chmod(): No such file or directory in /home/kihaadho/public_html/wp-content/plugins/leaguemanager/lib/image.php on line 114

Warning: chmod(): No such file or directory in /home/kihaadho/public_html/wp-content/plugins/leaguemanager/lib/image.php on line 115

I have tried this method, but this didn’t work.
https://www.ads-software.com/support/topic/plugin-leaguemanager-ayuda-para-que-se-vean-los-logos-en-thumb?replies=2

Please give some suggestions. Thanks

https://www.ads-software.com/plugins/leaguemanager/