Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c93eec6b5fbe3acfa5c69012c184e08b8dba6bdc55f0ac2d682ec7858345f1cb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^