Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8079acce2ebd749b822044d920c66dc6afb1bc79865016be7ae03c97f9ad8b4a:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^