Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f7b9ad5017931d82e9e481a5a1ea16b514e5e0642b01a4af2de05d91b7a04771:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^