Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f18fa9fe303f231feb867118d2e1c508d0ef3e71d1fefddc51e0cdd8bd5d2153:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^