Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 21e2083e1a8b3ec430a60f8afddf5678e36cd2d18d1994eba4708c561ee9458c:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^