Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 28c62aa7b2eb2e667ad4f80187f6a17aad6fc41cef870fee0039e59b8f92b527:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^