Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4fc89b504fffb6872fc4ee28089bab20fc9ca132cd03bf1eaf95d013645d88bf:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^