Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7254d93bd04babd180569790f67da9fe71475baa02f88034dac9d87900b09551:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^