Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6c13f28c674dd3b9ff57c126db373184c01f8b8ece91a2e647a29ae89dc57281:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^