Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c545dc26b7e6fa530a2e6f23e0702a4a88554d2f7ea526587999375c1809a87c:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^