Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 5bc6578769c8f283a24f03f049915c538d6b4bc2b9f6dc8e7be77172965b939d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^