i am getting Cannot load custom action "DynatraceMonitoringAction" during runtime error in neoloadweb

i have integrated dynatrace in my neoload 7.4 version and after after click on start button in neoload web i have seen " Cannot load custom action "DynatraceMonitoringAction" during runtime" error in events tab in neoload web.how can i resolve this issue.
Note: i have followed belowvideo link to integrate dynatrace with neoload.
1)https://academy.neotys.com/courses/foradvancedusers/lesso...
please refer attached screenshots.