Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c6707a95d0bc472843c2905c9eca0e05de6a5a12fd0ef38eb54c82acbe15f718:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^