Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a21e7b983f45a3b7e12854aa04e01dac7d3c0125b44407628d026b9d7ff67db7:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^