opencart Internal Server Error 500

Question

I use shoppica theme for opencart. When I log in as a test customer and click on order history section I always get a internal server error 500. I haven't changed anything in .htaccess nor in config file. It was from the begging but from now on I need it. All the sections in customer panel works except order history and transaction section. One clue is, when I give a reward transaction to my customer the transaction section which was before in the panel would disappeared and gave me an internal 500 error. Please help me as I need it a lot. I can't install it again because it is for 3 months and I can't start from the beginning. I use opencart 1.5.3.1

for another internal error I got these errors in my log:

PHP Warning:  unlink(public_html/system/cache/cache.currency.1358109327) [<a href='function.unlink'>function.unlink</a>]: No such file or directory in public_html/system/library/cache.php on line 14
PHP Warning:  session_start() [<a href='function.session-start'>function.session-start</a>]: Cannot send session cookie - headers already sent by (output started at public_html/index.php:104) in public_html/system/library/session.php on line 11
PHP Warning:  session_start() [<a href='function.session-start'>function.session-start</a>]: Cannot send session cache limiter - headers already sent (output started at public_html/index.php:104) in public_html/system/library/session.php on line 11
PHP Warning:  Cannot modify header information - headers already sent by (output started at public_html/index.php:104) in public_html/index.php on line 177
PHP Warning:  Cannot modify header information - headers already sent by (output started at public_html/index.php:104) in public_html/vqmod/vqcache/vq2-system_library_currency.php on line 45

May I ask if you have done anything to diagnose the error yourself? Looked at the Apache error logs for example? — Salman A, Jan 15 '13 at 08:37
I have edited the question please take a look at it. Thanks. — Mohammad Mogharehabed, Jan 15 '13 at 08:55
Read this http://stackoverflow.com/questions/8028957/headers-already-sent-by-php but the actual problem lies on the line which says "unlink...". See if the directory exists. — Salman A, Jan 15 '13 at 09:00

score 1 · Answer 1 · answered Jan 15 '13 at 12:41

1

you should check the unlink function

answered Jan 15 '13 at 12:41

reza

11
1

score 1 · Answer 2 · answered Jul 12 '16 at 10:50

I'm a bit too late for this particular question, but since it has quite a bit of views I'll provide an answer nevertheless.

For anyone else struggling with 500 Server Errors in OpenCart – the first thing to do when debugging these is to look into your server's error log and find the exact error message.

If there aren't any, you may need to enable them explicitly by adjusting the error_reporting, display_errors and log_errors settings in your PHP configuration. You can also temporarily change them in your main index.php file directly.

Once you know the exact error message, fixing it is a simple process.

We've covered some of the most common OpenCart error messages causing 500 Server Errors in our blog post: Server Errors and Blank Pages in OpenCart: Most Common Causes.

In this particular case, the issues are caused by the fact that your cache folder is either missing or not writable by the server:

PHP Warning: unlink(public_html/system/cache/cache.currency.1358109327) [function.unlink]: No such file or directory in public_html/system/library/cache.php on line 14

This error indicates your OpenCart currency cache file is missing. In most cases, it happens when your system/cache/ folder lacks correct server permissions (for OpenCart, it's usually 775). It should be fixed by adjusting folder permissions and removing all of the existing cache files from inside the folder.

Note for future readers. Please do not attempt to turn on display_errors. Use set `error_log = "/var/log/php.log"` and ensure this file is writable to your webserver. Then u can view logs there — Ramast, May 19 '18 at 10:27

opencart Internal Server Error 500

2 Answers2