Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a31336317505ad7dac44901298c3058c0cf5baaf73bf621b15950ee6d180ce0c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^