Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bfbe6b4c35ad8e0e4a58414f5773a5cec0b24783b9a2907c61796212d55be9d2:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^