Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0d56a0c9c1a4d1f265f67d77949c5a4cb2ad4688e3f46137b21bf04cf56e2a3e:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^