Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ab7e5b68c881e23edbeaade40a07f48b694c7e0e6d3693a16205f688ff5fe2c9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^