Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 06a30e6dc87e0e4f90bf9afd0c27e300e82448cc9817898db34f6fc0a8bd9091:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^