Repeating errors in the Log

Hi,

I have some errors in the log that are showing over and over:

2012-09-21 23:17:06 - PHP Warning: utf8_to_unicode: Incomplete multi-octet sequence in UTF-8 at byte 11 in /home/imaniabg/public_html/system/helper/utf8.php on line 765
2012-09-22 3:13:47 - PHP Warning: utf8_to_unicode: Illegal sequence identifier in UTF-8 at byte 18 in /home/imaniabg/public_html/system/helper/utf8.php on line 707

2012-09-22 19:51:02 - PHP Warning: utf8_to_unicode: Illegal sequence identifier in UTF-8 at byte 18 in /home/imaniabg/public_html/system/helper/utf8.php on line 707
2012-09-22 19:51:02 - PHP Warning: utf8_to_unicode: Illegal sequence identifier in UTF-8 at byte 18 in /home/imaniabg/public_html/system/helper/utf8.php on line 707
2012-09-23 9:43:36 - PHP Warning: utf8_to_unicode: Illegal sequence identifier in UTF-8 at byte 3 in /home/imaniabg/public_html/system/helper/utf8.php on line 707
2012-09-23 9:43:36 - PHP Warning: utf8_to_unicode: Illegal sequence identifier in UTF-8 at byte 3 in /home/imaniabg/public_html/system/helper/utf8.php on line 707

2012-09-24 3:45:23 - PHP Warning: utf8_to_unicode: Illegal sequence identifier in UTF-8 at byte 3 in /home/imaniabg/public_html/system/helper/utf8.php on line 707
2012-09-24 3:45:23 - PHP Warning: utf8_to_unicode: Illegal sequence identifier in UTF-8 at byte 3 in /home/imaniabg/public_html/system/helper/utf8.php on line 707

2012-09-25 11:25:04 - PHP Warning: utf8_to_unicode: Illegal sequence identifier in UTF-8 at byte 3 in /home/imaniabg/public_html/system/helper/utf8.php on line 707
2012-09-25 11:25:04 - PHP Warning: utf8_to_unicode: Illegal sequence identifier in UTF-8 at byte 3 in /home/imaniabg/public_html/system/helper/utf8.php on line 707
2012-09-25 11:25:10 - PHP Warning: utf8_to_unicode: Incomplete multi-octet sequence in UTF-8 at byte 5 in /home/imaniabg/public_html/system/helper/utf8.php on line 765
2012-09-25 11:25:10 - PHP Warning: utf8_to_unicode: Incomplete multi-octet sequence in UTF-8 at byte 5 in /home/imaniabg/public_html/system/helper/utf8.php on line 765
2012-09-25 13:48:03 - PHP Warning: utf8_to_unicode: Illegal sequence identifier in UTF-8 at byte 3 in /home/imaniabg/public_html/system/helper/utf8.php on line 707
2012-09-25 13:48:04 - PHP Warning: utf8_to_unicode: Illegal sequence identifier in UTF-8 at byte 3 in /home/imaniabg/public_html/system/helper/utf8.php on line 707
2012-09-25 15:43:48 - PHP Warning: utf8_to_unicode: Incomplete multi-octet sequence in UTF-8 at byte 13 in /home/imaniabg/public_html/system/helper/utf8.php on line 765
2012-09-25 15:43:48 - PHP Warning: utf8_to_unicode: Incomplete multi-octet sequence in UTF-8 at byte 13 in /home/imaniabg/public_html/system/helper/utf8.php on line 765
2012-09-25 20:12:40 - PHP Warning: utf8_to_unicode: Illegal sequence identifier in UTF-8 at byte 26 in /home/imaniabg/public_html/system/helper/utf8.php on line 707
2012-09-25 20:12:40 - PHP Warning: utf8_to_unicode: Illegal sequence identifier in UTF-8 at byte 26 in /home/imaniabg/public_html/system/helper/utf8.php on line 707

2012-10-01 20:59:40 - PHP Warning: utf8_to_unicode: Illegal sequence identifier in UTF-8 at byte 16 in /home/imaniabg/public_html/system/helper/utf8.php on line 707
2012-10-01 20:59:40 - PHP Warning: utf8_to_unicode: Illegal sequence identifier in UTF-8 at byte 16 in /home/imaniabg/public_html/system/helper/utf8.php on line 707

2012-10-01 22:13:32 - PHP Warning: utf8_to_unicode: Illegal sequence identifier in UTF-8 at byte 3 in /home/imaniabg/public_html/system/helper/utf8.php on line 707
2012-10-02 3:43:15 - PHP Warning: utf8_to_unicode: Incomplete multi-octet sequence in UTF-8 at byte 9 in /home/imaniabg/public_html/system/helper/utf8.php on line 765
2012-10-02 3:43:15 - PHP Warning: utf8_to_unicode: Incomplete multi-octet sequence in UTF-8 at byte 9 in /home/imaniabg/public_html/system/helper/utf8.php on line 765
2012-10-02 5:49:46 - PHP Warning: utf8_to_unicode: Illegal sequence identifier in UTF-8 at byte 3 in /home/imaniabg/public_html/system/helper/utf8.php on line 707
2012-10-02 5:49:46 - PHP Warning: utf8_to_unicode: Illegal sequence identifier in UTF-8 at byte 3 in /home/imaniabg/public_html/system/helper/utf8.php on line 707
2012-10-02 17:42:11 - PHP Warning: utf8_to_unicode: Illegal sequence identifier in UTF-8 at byte 16 in /home/imaniabg/public_html/system/helper/utf8.php on line 707
2012-10-02 17:42:11 - PHP Warning: utf8_to_unicode: Illegal sequence identifier in UTF-8 at byte 16 in /home/imaniabg/public_html/system/helper/utf8.php on line 707
2012-10-02 19:46:33 - PHP Warning: utf8_to_unicode: Incomplete multi-octet sequence in UTF-8 at byte 21 in /home/imaniabg/public_html/system/helper/utf8.php on line 765
2012-10-02 19:46:33 - PHP Warning: utf8_to_unicode: Incomplete multi-octet sequence in UTF-8 at byte 21 in /home/imaniabg/public_html/system/helper/utf8.php on line 765
2012-10-03 3:13:59 - PHP Warning: utf8_to_unicode: Illegal sequence identifier in UTF-8 at byte 26 in /home/imaniabg/public_html/system/helper/utf8.php on line 707
2012-10-03 3:13:59 - PHP Warning: utf8_to_unicode: Illegal sequence identifier in UTF-8 at byte 26 in /home/imaniabg/public_html/system/helper/utf8.php on line 707
2012-10-03 3:14:01 - PHP Warning: utf8_to_unicode: Incomplete multi-octet sequence in UTF-8 at byte 9 in /home/imaniabg/public_html/system/helper/utf8.php on line 765
2012-10-03 3:14:01 - PHP Warning: utf8_to_unicode: Incomplete multi-octet sequence in UTF-8 at byte 9 in /home/imaniabg/public_html/system/helper/utf8.php on line 765
2012-10-04 2:02:19 - PHP Warning: utf8_to_unicode: Illegal sequence identifier in UTF-8 at byte 26 in /home/imaniabg/public_html/system/helper/utf8.php on line 707
2012-10-04 2:02:19 - PHP Warning: utf8_to_unicode: Illegal sequence identifier in UTF-8 at byte 26 in /home/imaniabg/public_html/system/helper/utf8.php on line 707
2012-10-04 3:41:45 - PHP Warning: utf8_to_unicode: Illegal sequence identifier in UTF-8 at byte 5 in /home/imaniabg/public_html/system/helper/utf8.php on line 707
2012-10-04 3:41:45 - PHP Warning: utf8_to_unicode: Illegal sequence identifier in UTF-8 at byte 5 in /home/imaniabg/public_html/system/helper/utf8.php on line 707
2012-10-04 3:41:47 - PHP Warning: utf8_to_unicode: Incomplete multi-octet sequence in UTF-8 at byte 27 in /home/imaniabg/public_html/system/helper/utf8.php on line 765
2012-10-04 3:41:47 - PHP Warning: utf8_to_unicode: Incomplete multi-octet sequence in UTF-8 at byte 27 in /home/imaniabg/public_html/system/helper/utf8.php on line 765
2012-10-04 5:41:58 - PHP Warning: utf8_to_unicode: Illegal sequence identifier in UTF-8 at byte 5 in /home/imaniabg/public_html/system/helper/utf8.php on line 707
2012-10-04 5:41:58 - PHP Warning: utf8_to_unicode: Illegal sequence identifier in UTF-8 at byte 5 in /home/imaniabg/public_html/system/helper/utf8.php on line 707
2012-10-04 7:50:13 - PHP Warning: utf8_to_unicode: Incomplete multi-octet sequence in UTF-8 at byte 15 in /home/imaniabg/public_html/system/helper/utf8.php on line 765
2012-10-04 7:50:13 - PHP Warning: utf8_to_unicode: Incomplete multi-octet sequence in UTF-8 at byte 15 in /home/imaniabg/public_html/system/helper/utf8.php on line 765
2012-10-04 9:42:43 - PHP Warning: utf8_to_unicode: Illegal sequence identifier in UTF-8 at byte 3 in /home/imaniabg/public_html/system/helper/utf8.php on line 707
2012-10-04 9:42:43 - PHP Warning: utf8_to_unicode: Illegal sequence identifier in UTF-8 at byte 3 in /home/imaniabg/public_html/system/helper/utf8.php on line 707
2012-10-05 0:45:23 - PHP Notice: Undefined index: parent_id in /home/imaniabg/public_html/catalog/controller/module/category_accordion.php on line 89
2012-10-05 0:45:23 - PHP Notice: Undefined index: parent_id in /home/imaniabg/public_html/catalog/controller/module/category_accordion.php on line 89

2012-10-06 7:43:43 - PHP Warning: utf8_to_unicode: Incomplete multi-octet sequence in UTF-8 at byte 15 in /home/imaniabg/public_html/system/helper/utf8.php on line 765
2012-10-06 7:43:43 - PHP Warning: utf8_to_unicode: Incomplete multi-octet sequence in UTF-8 at byte 15 in /home/imaniabg/public_html/system/helper/utf8.php on line 765
2012-10-06 19:41:03 - PHP Warning: utf8_to_unicode: Illegal sequence identifier in UTF-8 at byte 3 in /home/imaniabg/public_html/system/helper/utf8.php on line 707
2012-10-06 19:41:03 - PHP Warning: utf8_to_unicode: Illegal sequence identifier in UTF-8 at byte 3 in /home/imaniabg/public_html/system/helper/utf8.php on line 707
2012-10-07 5:42:51 - PHP Warning: utf8_to_unicode: Illegal sequence identifier in UTF-8 at byte 14 in /home/imaniabg/public_html/system/helper/utf8.php on line 707
2012-10-07 5:42:51 - PHP Warning: utf8_to_unicode: Illegal sequence identifier in UTF-8 at byte 14 in /home/imaniabg/public_html/system/helper/utf8.php on line 707
2012-10-08 1:46:34 - PHP Warning: utf8_to_unicode: Illegal sequence identifier in UTF-8 at byte 5 in /home/imaniabg/public_html/system/helper/utf8.php on line 707
2012-10-08 1:46:34 - PHP Warning: utf8_to_unicode: Illegal sequence identifier in UTF-8 at byte 5 in /home/imaniabg/public_html/system/helper/utf8.php on line 707
2012-10-08 3:49:38 - PHP Warning: utf8_to_unicode: Incomplete multi-octet sequence in UTF-8 at byte 11 in /home/imaniabg/public_html/system/helper/utf8.php on line 765
2012-10-08 3:49:38 - PHP Warning: utf8_to_unicode: Incomplete multi-octet sequence in UTF-8 at byte 11 in /home/imaniabg/public_html/system/helper/utf8.php on line 765

Can someone help with an advice what to do? I'm using OC 1.5.3.1
BR,
Teo

Anyone?

I searched through the whole forum but I do not find anything that might help!
Can someone give an idea?

Same Problem here.
any news or solution?
regards,

I have the same problems in 1.513 ...

2013-03-11 13:33:47 - PHP Warning: utf8_to_unicode: Illegal sequence identifier in UTF-8 at byte 4 in /home/ken2012/public_html/system/helper/utf8.php on line 711
2013-03-11 13:33:47 - PHP Warning: utf8_to_unicode: Illegal sequence identifier in UTF-8 at byte 4 in /home/ken2012/public_html/system/helper/utf8.php on line 711
2013-03-11 13:33:47 - PHP Warning: utf8_to_unicode: Illegal sequence identifier in UTF-8 at byte 4 in /home/ken2012/public_html/system/helper/utf8.php on line 711
2013-03-11 13:33:47 - PHP Warning: utf8_to_unicode: Illegal sequence identifier in UTF-8 at byte 4 in /home/ken2012/public_html/system/helper/utf8.php on line 711

Hi,

I have the same issue in my 1.5.4.1 opencart shop.

PHP Warning: utf8_to_unicode: Incomplete multi-octet sequence in UTF-8 at byte 9 in /home/xxxxx/public_html/system/helper/utf8.php on line 765

Someone who has solved it, please, give us the solution.

Regards