Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e87df4c1fe96f1bc0f30462dddc009e5d42d6e03c00400de12c25cc35ffa8bfe:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^