Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bfae3148ae43e411c5b4ebc8fb6ba102a4d977ac605dd7b28cebe1c5ede54fa2:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^