Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e8e5c48e4054ab0cc1f7499edea10fe432ffd027702cd5005e2c324adc6db92e:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^