Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1d34e31b57161c73c6b2c910f312571254fa25bdeefcb08b091b4e923a6c1364:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^