Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> aaf70fae92d0684402e517152113194b2c13ecf7ed8fcb02988f6180391bc757:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^