Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> df0c8675dca9f136054410e4e5186e6a688535e1bcf1a97350c7c47dbd9c9cb2:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^