Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1a660b3f4cb4d13c232aa884ba7a9f79261f34d0a9224854b91cd24ae8528b30:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^