Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1c1e9056d098ecde3c05db5b0222ae34ce757b2b140448217b4292d80fc86d07:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^