Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ae570c3f77721bb1c7fa306c9f5df44228e246b43d44d6888c33f6a256cd8651:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^