Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3921576c18771bd7f69236cd3ced9836b195680f6dc3ead82283cea0fbd633f7:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^