Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7b128f5bf0136cd38b89406e0d2f113e40f335a8d4d817ea82ec0059fef0f82c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^