Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ec7eda920c99b79f7044aaa10a8ebe59c6b823cc318d33ad73f7477b566e9004:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^