Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> da130ec4c1d7250dc2e82e5321e92cf1c84bf92c88f0f6076b5846dae1a02cbd:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^