Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e9622d62fbb3b3c36d6c924b4e10154c5ddf7264c8421e5998cb9a992cd64c15:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^