Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d87a7ac27fac998b2112448a4a1a87da4831ede50453847fceaf2a23ad4a8328:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^