Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7213b52b2091556dcc96c487026c84569e9815269d50402c755f2012ae7e2d9a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^