Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2689852e4c4e5f9b9594886054e4f707a5e710ac0aae9fd3c4441375340ace86:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^