Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> fb09e90190345092651b66160f0db2307467c1e7ca7652d5f03817c8c117e355:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^