Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> be53c3004a6d4f683dd0196d1ab8bdd829559e9789a668fa0bdac4d9f1dba159:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^