Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 287d66b30bdc398d189b38e79aa1dac80e6dd2a0e7c4db20075245be877bfa5b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^