Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> fdef86de469abb25a08ac7f91f50f7f287611446bc5d1379b8399f01b8357cdb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^