Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6fc8bc69809f169b0c979352753c692cba30bfa12bd7c1d875d66f888e05f90d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^