Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 581a9b1c21f510a46a457a9062be7a3949d8f37370047d9b6ad59c39c14b6070:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^