Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f74e31d392d38f72fcfe4e27352cc5b2d6408f7d387dcc96f9681573d26b2e36:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^