Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a7f33eb0a2e54e2da92f4ccd7da327dbd633e1ac10f56053f865d2868fab89da:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^