Undefined index: sizes class-regeneratethumbnails-regenerator.php on line 262

When bulk regenerating thumbnails I get following error
Regenerate Thumbnails: Error while trying to regenerate attachment ID 165

with responseText (replaced filename with file_name and domain with url):
“<br />
<b>Notice</b>: Undefined index: sizes in <b>/url/wp-content/plugins/regenerate-thumbnails/includes/class-regeneratethumbnails-regenerator.php</b> on line <b>262</b><br />
<b>Notice</b>: Undefined index: sizes in <b>/url/wp-content/plugins/regenerate-thumbnails/includes/class-regeneratethumbnails-regenerator.php</b> on line <b>262</b><br />
{“name”:”file_name”,”preview”:”http:\/\/url\/wp-content\/uploads\/2017\/12\/file_name.png”,”relative_path”:”2017\/12\/file_name.png”,”edit_url”:”http:\/\/url\/wp-admin\/post.php?post=165&action=edit”,”width”:70,”height”:45,”registered_sizes”:[{“label”:”thumbnail”,”width”:150,”height”:150,”crop”:true,”filename”:false,”fileexists”:false},{“label”:”medium”,”width”:300,”height”:300,”crop”:false,”filename”:false,”fileexists”:false},{“label”:”medium_large”,”width”:768,”height”:0,”crop”:false,”filename”:false,”fileexists”:false},{“label”:”large”,”width”:1024,”height”:1024,”crop”:false,”filename”:false,”fileexists”:false},{“label”:”main_banner”,”width”:2000,”height”:605,”crop”:true,”filename”:false,”fileexists”:false},{“label”:”home_item”,”width”:720,”height”:351,”crop”:true,”filename”:false,”fileexists”:false},{“label”:”news_item”,”width”:720,”height”:497,”crop”:false,”filename”:false,”fileexists”:false},{“label”:”logo”,”width”:0,”height”:45,”crop”:false,”filename”:”file_name-70×45.png”,”fileexists”:true}],”unregistered_sizes”:[]}”