Here is the error dump. Same works in blogs.

Error 500

Internal Server Error.

If you are the site admin, click here for details (+)

Something went wrong!

To get the error details follow these steps:

- Open ow_includes/config.php file and set DEBUG_MODE to true

- Reproduce your last action.

Error details:

Type:Exception

Message:String to be escaped was not valid UTF-8 or could not be converted: Здравствуйте, девочки, я на этом сайте только зарегистрировалась. До этого была на д�

File:oxwal/ow_libraries/vendor/zendframework/zend-escaper/src/Escaper.php

Line:323

Trace:#0 oxwal/ow_libraries/vendor/zendframework/zend-escaper/src/Escaper.php(161): Zend\Escaper\Escaper->toUtf8('???????????????...') #1 oxwal/ow_utilities/html_tag.php(345): Zend\Escaper\Escaper->escapeHtmlAttr('???????????????...') #2 oxwal/ow_utilities/html_tag.php(49): UTIL_HtmlTag::escapeHtmlAttr('???????????????...') #3 oxwal/ow_core/html_document.php(646): UTIL_HtmlTag::generateTag('meta', Array) #4 oxwal/ow_core/response.php(200): OW_HtmlDocument->render() #5 oxwal/ow_core/application.php(487): OW_Response->respond() #6 oxwal/index.php(94): OW_Application->returnResponse() #7 {main}