Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a1aaf1901dde0f865b05c60a733df20313918754a2c7b8bd5f0c560f24be1e76:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^