Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 85620fcabd0b9902592be680debb3e169413d8bd43094712c4081938064b1afb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^