Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d4112c4c9804919e4cb2e5abff4e71d1536f5ef49c8ed60bd1e5bba443379567:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^