Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 50388f59019021f306e703513d714d549949d643540a47d77c6a721f5fccc6d4:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^