VelocityViewServlet : Error processing a template for path '/vrender'

Invocation of method 'getArticlePrice' in class npg.ncode.velocity.toolbox.PricingInfoTool threw exception java.lang.OutOfMemoryError: GC overhead limit exceeded at /view/includes/global.article-subscription.fhtml[line 3, column 41]
java.lang.OutOfMemoryError: GC overhead limit exceeded