Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c0812f5b851f27dd4c8106fd7ce13788db49d6c542c126df7e0c8ff92cbe9b34:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^