Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> de0cd32ad218fceb1074847a0985f5ae5eb445903cbe860e9a85c2db9a7b8d28:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^