Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 56b834f8bcd6b77f1340ced88ad5e9c104aef1ce5792f53f273a610ce0cae4a5:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^