Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 929b33e2db3357095e7b2bde7a6ed22e1d537657d050cbe9c1158fb2815a6391:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^