Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b52d4f1beeb3a7d5f10e1dbf2ff34b9a603196cd960c8ba7b5db0af2d4fa90e9:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^