The strategy appears to be running fine, at least with sufficient capital.

Otherwise, it starts with an initial_capital = 1000 and opens positions of default_qty_value = 1000. Also, the optional margin_* properties are not specified, and the default requires 100% of the funds from the equity.

/@version=6
strategy(title = '2 UT Bot Strategy', overlay = true, default_qty_type = strategy.cash, default_qty_value = 1000, initial_capital = 1000, currency = currency.USDT)