Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> cd826ea2964a093f260957ca85c1173209b934318d682c3bc102667b396d54bd:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^