Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> fe57544560c60b86f457f6c1ec91f4ed13f9f5f6e35539b66dbc2e901614bf8a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^