Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0a8c6109259210e5395cb82f00a4bd24931b91df7a2137009daa0421c7d50567:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^