Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 100fbcaa15124dd04a0aedd430917de812357a3b378b378b878afcf5ad54611a:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^