Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c53f0e701f42edcafd88761867d29dfaab7417a8ce417c7ba6f8f9afdfb204cd:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^