Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b4a6e9cb13c472a707e1c97e70c8758f0d19dfa3a3dfd4786d13531123ae8257:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^