Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 67a6c4edfe4180876221e0f6b830e775a600b8f58583f7bbf4104eebd7978d2d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^