Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a02198dfa3581fe6f66d96f708abadf111fd950c43f1e5d3c31c34714d2dbfa1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^