Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b5f4f152dd19e70fe3a5f004ceb699f5510530d5e2fc5e704d8286ab12c0743b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^