Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7a542c1e09badb6abfac49f89f3b25dcca85fbb2d0727606deb8d4c32b84255d:14:28
   |
14 |                             let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^