Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d083b8494ac391cd12c42578db0308de43f214a04e03e92527638448ceeab01d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^