Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 998a7d56ab538f78a9173308e57aaea860b4adcce2f6ef2c66125a9be1a7ebd1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^