Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4d8aaea0347e168a6a61d63ec4c462f9e5d7b7b86ecaaa0720950216a404a505:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^