Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d849bd60c469efc75313092ae7498327a1a155373be8e99152aaffde93be2831:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^