Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 46cfb947757d880b3368360d5613eda2e8b6e3aae827a77e0766139efd2a0b7f:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^