Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 917c5b7860cfe221a8f9b2c7518be2e06948905bfed0216d2c9b47aab0afdb9d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^