Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0d70eaface2026e1619b37c2566f43c9503add4838fc89ce27267aff521115f2:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^