Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> fd77c90e2aff4ca334f614225e048beaf0b1d4fe79a04712434c4b8bdd82c375:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^