Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ec4ec012c8a51372fff0e2483d2007670254a2d15086e2a8baf83b7623a3a9ab:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^