Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 16ed768680cde6d4ebd622153be9354e5d5f47abd528a5fa9d572371c7fa79c8:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^