Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 43063bebd8823031a8bd892402503d13e72b86cf4e7bfee97bf14f2fbae2eeb5:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^