Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 936f9ec3eb9b2d430a07a785da6e8f83f102645f0f574de2b21d32425d0c0115:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^