Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 662aa9f2dead6cf86740dc127a0f8a45f5378d6129954983699f146810bb8c0c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^