Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 5fbbd9fb5df36d8b91c47606ac8c4cf53a63effa71bde38d682fea7ceae863c2:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^