Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c225ada7a94bb3d9f81d2856ad60874ced803355ab2abf77d9a4734214c75e8a:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^