Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1a90d552ad3a48a79044257bf525cb3c9aa4a806ac872a54eb6c9c8238bd52a1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^