При добавлении картинки для товара выдает SyntaxError: JSON.parse: unexpected character at line 1 column 1 of the JSON data

[Julia1991 0]

Скажите пожалуйста, почему при добавлении картинки на товар или для категории выдает такое

SyntaxError: JSON.parse: unexpected character at line 1 column 1 of the JSON data

OK

<b>Warning</b>: json_encode(): Invalid UTF-8 sequence in argument in <b>/home/seosol/autoinstrument.org/www/admin/controller/common/filemanager.php</b> on line <b>150</b><b>Warning</b>: json_encode(): Invalid UTF-8 sequence in argument in <b>/home/seosol/autoinstrument.org/www/admin/controller/common/filemanager.php</b> on line <b>150</b><b>Warning</b>: json_encode(): Invalid UTF-8 sequence in argument in <b>/home/seosol/autoinstrument.org/www/admin/controller/common/filemanager.php</b> on line <b>150</b><b>Warning</b>: json_encode(): Invalid UTF-8 sequence in argument in <b>/home/seosol/autoinstrument.org/www/admin/controller/common/filemanager.php</b> on line <b>150</b><b>Warning</b>: json_encode(): Invalid UTF-8 sequence in argument in <b>/home/seosol/autoinstrument.org/www/admin/controller/common/filemanager.php</b> on line <b>150</b><b>Warning</b>: json_encode(): Invalid UTF-8 sequence in argument in <b>/home/seosol/autoinstrument.org/www/admin/controller/common/filemanager.php</b> on line <b>150</b>[{"filename":null,"file":null,"size":"158.07KB"},{"filename":"_de220sp1.jpg","file":"_de220sp1.jpg","size":"5.28KB"},{"filename":"_de220sp2.jpg","file":"_de220sp2.jpg","size":"5.27KB"},{"filename":"_de220sp3.jpg","file":"_de220sp3.jpg","size":"6.06KB"},{"filename":"_de220sp4.jpg","file":"_de220sp4.jpg","size":"5.21KB"},{"filename":"_de300sp1.jpg","file":"_de300sp1.jpg","size":"5.15KB"},{"filename":"_de300sp2.jpg","file":"_de300sp2.jpg","size":"4.8KB"},{"filename":"_de300sp3.jpg","file":"_de300sp3.jpg","size":"5.5KB"},{"filename":"_de300sp4.jpg","file":"_de300sp4.jpg","size":"5.15KB"},{"filename":"_de410sp1.jpg","file":"_de410sp1.jpg","size":"5.32KB"},{"filename":"_de410sp2.jpg","file":"_de410sp2.jpg","size":"5.09KB"},{"filename":"_de410sp3.jpg","file":"_de410sp3.jpg","size":"5.59KB"},{"filename":"_de410sp4.jpg","file":"_de410sp4.jpg","size":"5.27KB"},

если нажать ОК, то все работает!

 

раньше все работало нормально и не выдавало такое окно

 

 

вот сайт  http://autoinstrument.org/