Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f6bf7b57fcc82cade047da7b88ecb8f863617aeb062b92d777811b189aa19fe1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^