WordPress Theme and Plugin conflicts

Objective: To share what we’ve learned about WordPress Theme and Plugin conflicts while providing support for our customers. Audience: People that provide support for others or are trying to resolve an issue with a WordPress site, Theme or Plugin.
Author: Kyle M. Brown, Founder wpSaaS.
We provide support for WordPress plugins. In providing that support we recognized some trends with Themes and Plugin conflicts as root causes . The data in this document was derived for a combination of sources including trends we observed while providing support, general troubleshooting, research and information that has been published by theme and plugin developers in the WordPress community based on their experiences.
Approximately 65% of the issues that are reported to us are determined to have a root cause that is related to conflicts with a 3rd party theme or plugin. When I say 3rd party, It means that the Theme or Plugin was not authored by Automattic – the company behind WordPress – or not authored by the developer of the product that we are supporting. Reference WordPress Coding standards.
The scenario usually follows this pattern or one that is similar. A customer that has
Source: https://managewp.org/articles/13589/wordpress-theme-and-plugin-conflicts

source https://williechiu40.wordpress.com/2016/10/11/wordpress-theme-and-plugin-conflicts/