Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 06c132dd13eb25110ec3a7ce0e43a1c2b838b7797f4b65f8bef36d1869c28916:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^