Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d88308f90f25e00ae838c2548567694b34f1612bc6b90c8a3dbe8ebf1b028ccf:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^