Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b5a5abfaaaf8e42eb852aa52cf2da1bb2c90c4978d7df3134ac8fa7081a36fac:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^