Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8cd06df7fd98ce9a9a5834ebf90dbb3f839c3e896acbcfabbbae898876fe2878:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^