Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 40d169ec8dddd7a32569e51800d8cdedfa9f921476a10f5937dcbd1e45bc1f18:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^