Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 74bd6d20661f24c52d30348fa65151620102b779e5d1eca50fb3b4e92cbd8adc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^