Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7775aa84b0615dd48ea34992910dccb7d2447d19de4c598142a2bc82a4ab96e7:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^