Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 011fc2473db63de688ab6d13ec184d3274f5c4c764ebb0ea91777e9372e318c8:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^