Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 12308e4bcfd24f76fcda0c81aa04b9c69be29e8df257c09f4713e1d4f2ad1476:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^