The Groovy script failed to compile with internal error: Compile Error: [Static type checking]

Summary:

Since the recent groovy validation update I get this error →

The Groovy script failed to compile with internal error: Compile Error:[Static type checking] - Cannot call Script1#getCrossJoins(java.util.List <java.util.List>) with arguments [java.util.ArrayList <java.util.List>]

Content (please ensure you mask any confidential information):

Since the recent groovy validation update I get this error →

The Groovy script failed to compile with internal error: Compile Error:[Static type checking] - Cannot call Script1#getCrossJoins(java.util.List <java.util.List>) with arguments [java.util.ArrayList <java.util.List>]

On the code →

String mdxRegion = getCrossJoins([ ["[$sPeriod]"], ["[$sYear]"], ["[$sScenario]"], ["[$sVersion]"], ["[Adjustment]"], ['[PCM_Input]'] ])