Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 39d616c0c51899a6a2f6103726901d56f01e8aaf4cf1f387f0ffeb2d69747964:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^