Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b9c477beef3133b25a5a37591a5765b90ae2a4de9ed1862dc5c571f8c0a15cbc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^