Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> be2fc3602044b43cd7ae12c1c492db3e1a34664d5ce0dc51e274c808e198ad37:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^