Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7309aab309f59c93f7bd5d8b58ffc016c65feff0f9aa7a9cf9ce334f1599ec76:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^