Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8a02bd63f8a875f6f52ca98326dad43f9aabb55c34f8e006bc94eb7f2150828c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^