Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e7df6e845cf3f33c6a18a4c4b69c9b3811a38a0928d42284dd3a099f247b7556:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^