Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 09054646d3bf9e7d365a8cea2bf8a7caeb99c28294cc913a468a471de3d336bb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^