Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> dce2a1eb8bac8ffe9f92183cdd919af9d9828eafc7d66bc48f67ba99e993e915:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^