Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b6bd5b06fece8b95212c1c136a7ef693458551fa5072d422c1847ba170ff967f:14:28
   |
14 |                             let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^