Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 20c6fbabbaf5013a91704716bfb136e3c7979e13aa680028b8393816ae502a7e:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^