Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 678f8bdce1b85c5c519ec1b73db406517d3180ced85771951a853ff3f0b24215:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^