Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c0892be720a5981a928fb5b2703e269de87df21146d86be107c5e2798e03bd7f:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^