Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 625527cef1f4d4787512791968d2068e40107df8dd900f7c8e862d1fa77d91cf:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^