Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 86e6c385428f6c6c85584de243f7ba00f40bf27174ab8b5c41962bd5490f2f3a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^