Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b84bdd2516ac319148bf612a0f6f488848dd85f418e6cd9a97ef51efaaf64157:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^