Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0c4b8222375492d90a19ff06162a7b9594a7977f4b8ae00ced7e64c695abce80:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^