Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b7f180188e97725de79c8d1107e48d7b7cc028a86f7a63c9685a52c19f896167:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^