Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> fb3f72ccd9072d4021d5b2f6f377629995dece6aca1238dd78a3bfa12ccbd5cd:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^