Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f42fb77a696365faac9778dbfc135d1c3966652cb6e384dedcfaad66783d107d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^