Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 088e4d2bdaf0f385b8550664cdc5df55bad89dfd760cd2e5bf59843d87fbaf16:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^