ChatGPT got it wrong.  Easylanguage has both fixed length arrays and dynamic length arrays and they are declared differently.  Here is the right way. 

Use print blocks to determine that your variables are as you think they are!

Learn how to use TradeStation EasyLanguage with the Price Series Provider like a pro. This tutorial walks through essential coding practices to ensure smooth and error-free data handling. Discover how to verify that the bet B object exists, confirm that the data state is fully loaded, and check for sufficient indexes before calling on them. Perfect for traders and developers looking to build reliable, data-driven strategies in TradeStation.