Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b3c84f88219151ab940908264eff487ab8616b499d335b76f8a93832c30b6777:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^