Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 97ac81db4b23c41e08fd3c3c57e813fa644bc54a03f1604b32635b7a7876bd8f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^