Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ea515e0dd9b3df8ec5484864ba673cfd681cfd1c5af732ffc9d1160875245f89:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^