Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d9e17162c8a28dd58cf59f88f39ff235a522fd6dfc0e92d7d8f740328476fba9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^