Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f89b99a4c628692a3e6f643f2b9454c02c0f6f161cb2f0dd6f44579132b2b457:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^