Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c51028c7f6566db9ab9fdefc335e96ab7b3e30bd6308bc069dc9a53e2a396986:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^