Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0a7dac646e68451d12a199dc128972149ceffcfb7327961726e627dea0a92180:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^