Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> feac7726cecb25f861e9ffb88e7d2d2dcea83e030887365a35ad2016dc6bc550:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^