Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 12b77f96f6a858f36475c6ad72b0d43af42b8b7b7fe50bea778c63999d9b43ee:14:28
   |
14 |                             let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^