UnsupportedOperationException while upgrading the Gatling version to 3.9.3 in Gatling Frontline/Enterprise

Gatling Enterprise
3

It is 4.3.1
<gatling-maven-plugin.version>4.3.1</gatling-maven-plugin.version>
The code runs and compiles just fine when I run it locally, but when doing it in Gatling Enterprise, I get this error