Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3da80f49dd48e47c58c5359c19915e2286a39284b2bba5b9a6b0e4730fc27ab4:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^