Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> cc8ce93645e2dab39ca1e579eb0efd0e1b69509cde29e53542168963d910b1e2:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^