Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f4c496cc5fe37df817c43062feac7cc131a7be9bc923c4a3662a703d490d398e:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^