Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 84157ba9727ba2ab5a5ce368e7a2c05f8adccccf033c1cca381349d6deab65e6:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^