Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> dc813851777ae546b818571b00619ff22a30b154163cbacbdb82a73159acd5cd:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^