Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 221ae2dc0c850fdb5a3dbafd8b5eb073d20e0f9d51266a1036127a783214a2f2:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^