Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 20cb15260de77b61846c96c3513fa174231ca257b3f2a79c00f6f57631396318:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^