Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> fd69a914f3d4f24b0b4808e21bdb585ea4c27fb50c73ef85d6653c8a170f1185:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^