Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9ff7a2eb67139566b89549beba53d7f6bd3c564838b4ef7f45865871e7faa98f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^