Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> af739720649c48ca24efdf126edb052f6224f8816b63be581e774528cf0d6bfa:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^