Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 806a61979af6b47916450f5496180272ce50bad1269d91a4344feb40e16332bc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^