Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 63ecc0f85c87416f975ec6f2fed83a4fc2a62917f2a82ca3864d8cec9420dca6:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^