@Anderson_Hamer Please refer to below article, which talks about three different ways of implementing Header and Footer.http://www.sgaemsolutions.com/2019/10/implementing-header-and-footer-with.html 

@AD-Engineer Please refer to below article URL:https://engineering.icf.com/aem-content-fragments-as-an-api/ 

@binoyp6992037 I am not sure if you have already referred below thread. Can you please try solution provided in the thread and see if that works.https://github.com/Adobe-Consulting-Services/acs-aem-commons/issues/2325

@ducpm196 what AEM version you are using ?. If you are using AEM 6.5, please upgrade to latest Service Pack and check.

@ForrestLi Please check below community URL and see if it helps:https://experienceleaguecommunities.adobe.com/t5/adobe-experience-manager/workflow-exception-process-resource-is-null/qaq-p/164868 

@Ameen_Dev Please Cross check if Uber jar entry is in par with the AEM instance version you are using and then upgrade your Service PackReference:https://experienceleaguecommunities.adobe.com/t5/adobe-experience-manager/com-day-cq-wcm-api-cannot-be-resolved/qaq-p/385695

@keehwan1 Please refer to below article URL:http://experience-aem.blogspot.com/2018/09/aem-64-touch-ui-add-view-in-publish-to-editor-page-info-dropdown.html  

@Shivanigoyal Please refer to below documentation URL for Local development environment setup:https://experienceleague.adobe.com/docs/experience-manager-learn/foundation/development/set-up-a-local-aem-development-environment.html?lang=en 

@Aries Please refer to below documentation URL:https://experienceleague.adobe.com/docs/experience-manager-65/deploying/upgrading/pattern-detector.html?lang=enThe Pattern Detector is released separately as a one package working on any source AEM versions from 6.1 to 6.5 targeting AEM 6.5 upgrade. It ...

@manikanthar1295 Please refer to below documentation URL for reference and navigate to Use ECMAScript to dynamically select a user or group section:https://experienceleague.adobe.com/docs/experience-manager-65/forms/workflows/dynamically-select-a-user-or-group-for-aem-workflow.html?lang=en