q2a - qa-base PHP eval()'d code issue

Question

Error Notice:  qa-include/qa-base.php(510) : eval()'d code on line 133

1. To replicate the issue, open and edit  qa-include/qa-base.php
2. Find the following line

   else
   	return $qa_overrides[$function]; 

   replace it with 

   else {
     error_log('overrided function = '.print_r($function,true), 0);
     error_log('override function = '.print_r($qa_overrides[$function],true), 0);
     return $qa_overrides[$function];
   }
   

3. Go to your root/error_log
4. The error will shown as per timestamp. E.g 

   [12-Jul-2018 17:49:06 Asia/Kuala_Lumpur] override function = qa_tag_html_override_1_in_overrides_php

5. In most cases, the issue might caused by the plugin you've installed. Do investigate any plugin that relate to step.4