Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7f79036d117be67a971f11b459be8b4b45856208e597bfdbd5a5132b0d5ea15d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^